2004–2006 Polansky played Canada F3, F4, and F5
Futures events in June 2004, compiling a win-lose record of 1–4. He next competed in a tour event as a wild-card in the 2005
Granby Challenger event, losing handily in the first round. He then played Canada F1, F2, and F3, in the late autumn, this time earning a 3–3 record and an ATP singles ranking of No. 1432. He also reached the final of the doubles for Canada F3, partnering compatriot
Adil Shamasdin. Polansky went 4–3 for Canada F1, F2, and F3 in 2006, this time played in March, and saw his ranking crack the top 1000. Losing again in the first round at Granby, he also received a wild-card for his first full-fledge ATP tourney, a
Masters event at that, as he lost in the first round to compatriot
Frank Dancevic at the
2006 Rogers Cup. Polansky then, as an unseeded Special Entry, proceeded to reach the finals of the
US Open boys singles tournament. His run included three-set wins over top seed
Martin Kližan in the second round and No. 4 seed
Donald Young in the semis. He lost the final to No. 10 seed
Dušan Lojda. Polansky then in late September reached the semi-finals of USA F25. He lost again however in the first round of a Canadian challenger, this time Rimouski in October. He finished the year ranked World No. 821.
2007 Peter began 2007 with a bang as he won three of four Futures in Central America in January: El Salvador F1, Guatemala F1, and Costa Rica F1. He singles ATP ranking consequently rose to No. 580 and he played in his first
Davis Cup tie, in February, winning a dead rubber against a Colombian opponent. He then went 9–3 in February–March in Futures, including winning USA F6. He lost his first Davis Cup live rubber in April, in 4 sets to
Flávio Saretta in an away tie to
Brazil. From May through September Polansky played on the Challenger circuit, going a respectable 6–7. His most impressive wins came over World No. 106
Danai Udomchoke, as the Thai retired from the match, and World No. 119
Kevin Kim. A second straight appearance as a wild card at the
Rogers Cup ended with the same first round loss, this time to
Fabio Fognini. Polansky finished 2007 ranked World No. 343.
2008 Polansky went 11–3 in the winter Futures tournaments in South America, winning Guatemala F1. He won both his matches in the Davis Cup tie against
Mexico, including his first over World No. 172
Bruno Echagaray handily in straight sets.
Canada won the tie 4–1. He then reached the quarter-finals of the
Santiago Challenger in late February with wins over World No. ~230
Rajeev Ram and World No. 198
Adrián Menéndez Maceiras. In April, he accounted himself well in Canada's next Davis Cup tie, away to
Chile, losing to World No. 15
Fernando González prior to winning a dead rubber. Polansky then reached the quarter-finals of the
Florianópolis Challenger, defeating World No. 206
João Souza. He next reached the semi-finals of the
Rabat Challenger during the first week of May 2008, defeating World No. 179
Laurent Recouderc in the second round. He also defeated World No. 120
Teymuraz Gabashvili in mid-May at the Marrakech Challenger, where he reached the second round. All of these results from April on occurred on a
clay surface. In May 2008, he participated in his first
International Series-level event, as a qualifier, in the
Grand Prix Hassan II event. He lost in the first round in three sets to former World No. 3
Guillermo Coria. He then participated in a qualifying tournament for a grand slam event for the first time, Wimbledon, losing in the first round. Polanksy then lost in successive challengers in the first round before reaching the second round at back-to-back challengers, played in Canada (
Granby and
Moncton). Polansky then defeated both Colombian No. 1 and tournament No. 4 seed
Alejandro Falla and defending champion and Canada No. 2
Frédéric Niemeyer to reach the quarterfinals of the Vancouver challenger. In August, he reached the second round of the
2008 US Open qualifying tournament for singles, defeating
Rajeev Ram before falling to No. 24 seed
Simon Stadler. Polansky went 9 wins, 7 losses on the autumn American challenger circuit, his best results were reaching the semifinals of one tourney and the quarters of two others; at
Waco, where he lost in three tight sets to top seed
Vince Spadea; and in
Louisville, Kentucky, where he defeated World No. 133
Amer Delić and World No. 295
Michael Russell before falling to No. 2 seed
Jesse Levine in the quarters. He then reached the semifinals of the
Rimouski challenger, where he lost to eventual champion
Ryan Sweeting.
2009 Polansky opened 2009 losing in the first round of qualifying for the
Brisbane International. Coming through three rounds of qualifying, he lost to the 18th seed
Igor Andreev from Russia in the first round of the
Australian Open, despite being up on his opponent two sets to love. It was Polansky's first ever appearance in the main draw of a
Grand Slam event. He followed this result by reaching the second round of the
Carson, California and
Dallas, Texas challengers. He next in February failed to qualify for the main draw of the
2009 SAP Open as well as
2009 Delray Beach International Tennis Championships. Polansky had to withdraw from the
Canadian Davis Cup team for their tie against
Ecuador in early March due to a small tear detected in a right rotator cuff tendon as well as one in his labrum He took a month off from the tour, coming back to lose in the first round of the
Sanremo Tennis Cup. The following week he lost in the final round of qualifying for the
Zagreb Open. Polansky next found the form he had before getting injured in qualifying for the
2009 French Open, winning his three matches all in straight sets, conceding no more than 4 games in any one set. In his first round match in the main draw, versus
Philipp Petzschner, he fought back to level the match at 2 sets apiece before falling 3–6 in the fifth. Following the French, Polansky lost convincingly to
Simone Vagnozzi in the first round of
Zenith Tennis Cup on red clay in Milan. He followed upon this by reaching the quarterfinals of the
Lines Trophy, defeating
Nicolás Massú in the second round before falling to veteran
Jean-René Lisnard in straight sets. Polanksy rather surprisingly either chose not to enter
Wimbledon qualifying or was not eligible. Instead he entered qualifying for the
Sporting Challenger, also in Italy, and lost in the final qualifying round. After taking the following week off Polansky won the opening rubber of the Davis Cup tie away to
Peru, defeating
Iván Miranda in straight sets. Polansky became ill however and did not play in the 4th rubber. Despite losing their top clay court player, the Canadians won the tie 3–2. at practice during the 2009 Rogers Cup] The week after, Polansky lost in the opening round of the
Seguros Bolívar Open Bogotá to
Alejandro Falla. After a week off, the unseeded Polansky reached the semi-finals of the
Granby Challenger, defeating
José de Armas,
Tobias Kamke, and
Lester Cook before falling to No. 4 seed
Kevin Anderson in the semis. In doubles Polansky and partner
Bruno Agostinelli lost in the first round as a wild card entry. He lost to an in-form
Xavier Malisse in the first round of the
Odlum Brown Vancouver Open. Polansky played at the
Rogers Cup in Montreal. He defeated fellow Ontarian and wild card entrant Agostinelli before falling to No. 4 seed
Novak Djokovic in the second. With no points for the following week to protect, this result saw Polansky climb 22 ranking spots to sit at World No. 203, just two places off his career high. Despite not playing in any tournament main draws the week after, Polansky rose three ranking spots to sit at World No. 200, a new career high. Polansky qualified for
US Open singles tournament by beating
Alex Kuznetsov, No. 9 seed
Michael Russell, and No. 28 seed
Lukáš Lacko. In his first round main draw match, he came back from 2 sets down to even his match against
Guillermo García López before falling in the fifth, 16. His singles ranking has climbed once again, to World No. 184. Following the Open, Polansky lost in the second round of
Seguros Bolívar Open challenger, to top seed
Horacio Zeballos. In doubles, he and partner
Nicolás Todero lost in the second round. The following week at the
Copa Petrobras Colombia, Polansky lost in the first round, to
Ricardo Mello. In doubles, he and partner
Alex Bogomolov Jr., unseeded, reached the semi-final round. In early October Polansky became the World No. 181 ranked singles player, another career high. As the No.3 seed at the
Challenger ATP Club Premium Open, he reached he quarter-finals, while in doubles he and partner
Sebastián Decoud lost in the first round. The following week Polansky lost to No.1 seed
Pablo Cuevas in the first round of the Uruguayan's home tournament, the
Copa Petrobras. In doubles and partner Bogomolov lost in the second round. Polansky climbed to yet another new career high, World No. 170. The week after, he lost in the second round of
Copa Petrobras Asunción in singles, to No. 4 seed
Santiago Ventura. In doubles, again partnering Bogomolov, he has lost as well in the second round. In late October Polansky reached the quarter-finals of the
Copa Petrobras Santiago, beating No. 7 seed
Sergio Roitman in the first round before falling to top seed
Juan Ignacio Chela 3 and 3. In doubles, he and Bogomolov again lost in the second round (quarters). Polansky was off from competition for the remainder of the year. He finished 2009 ranked World No. 185 in singles and No. 554 in doubles.
2010 Polansky began the year by reaching the second qualifying round of the
2010 Aircel Chennai Open, losing as the no. 6 seed to unseeded
Prakash Amritraj 11–9 in a third set tie-break. Amritraj went on to qualify for the main draw. Polansky failed to qualify for the
Australian Open in singles. Unseeded Polansky defeated Korean no.1
Im Kyu-tae in the first round of the
Honolulu Challenger in three sets before losing in the second round to eighth seed
Ryan Sweeting. He was then ranked outside the top 200 for the first time since August. At the
Brasil Open, he defeated eighth seed
Júlio Silva in the first qualifying round, but lost in the second round to fellow unseeded player
Caio Zampieri. Polansky failed to qualify for the
Copa Telmex, losing to eighth seed
Rubén Ramírez Hidalgo in the first round, in a close third-set tiebreaker. The following week, Polanksy lost in the first round of qualifying for the
Delray Beach ATP 250 tournament, to fifth seed
Paul Capdeville, in straight sets. The next week, Polansky played singles in Canada's
Davis Cup tie against
Colombia. He did not fare well, losing the opening singles rubber to world no. 183
Carlos Salamanca. Coach
Martin Laurendeau opted to play
Steven Diez in the reverse singles, as Canada lost the tie 1–4. In April, Polansky failed by just one ranking place to be seeded in singles for the
Challenger Banque Nationale. He defeated fifth seed
Brendan Evans in the first round in straight sets, before falling to an in form
Tim Smyczek, also in straight sets. In
doubles, he and fellow Canuck
Pierre-Ludovic Duclos lost in the first round. Two weeks later, Polansky lost in the second round of qualifying for the
U.S. Clay Court Championships. The following week, he lost in the first round of the
2010 Baton Rouge Pro Tennis Classic to unseeded
Joseph Sirianni, while in doubles he and partner
Michael Yani lost in the second round. The next week, Polansky lost in the second round at the
2010 Tallahassee Tennis Challenger to eventual champion
Brian Dabul. In doubles, he and partner
Donald Young lost in the first round. In May, Polansky lost in qualifying at the
2010 Serbia Open as the top seed, but entered the main draw as a lucky loser, where he lost to
Horacio Zeballos. The following week, Polansky lost in the second round of the
Zagreb Open to top seed
Marcos Daniel, while in doubles he and partner
Michael Yani lost in the first round. Polansky next was the sole Canadian in the draw for qualifying for the
French Open. He lost in the first round, 7–9 in the third, to 28th seed
Ramón Delgado. A week later, as the eighth seed at the
2010 LA Tennis Open USTA Men's Challenger, he reached the semifinals, where he lost fifth seed
Robert Kendrick. In doubles, he and partner
Milos Raonic lost in the first round. In June, Polansky reached the second round of the
2010 Weil Tennis Academy Challenger, defeating fellow Canadian
Pierre-Ludovic Duclos, before falling to
Marinko Matosevic. He did likewise the following week at the
2010 Košice Open, beating
Yannick Mertens handily, before falling to
Ivo Minář. The following week, Polansky failed to qualify for
Wimbledon for the second time again in the first round, going down to
Marinko Matosevic. On June 21, Polansky found himself the new Canada no. 1 singles player. Then that week, unseeded at the
2010 Camparini Gioielli Cup, he beat
Laurent Recouderc before losing to fifth seed and eventual runner-up
Pablo Andújar. After a couple of weeks off, Polansky reached the second round of the
2010 Comerica Bank Challenger, defeating sixth seed
Kevin Kim, before falling to qualifier
Brydan Klein. He also lost in the second round in doubles, partnering compatriot
Milos Raonic. Polansky was the seventh seed at the
2010 Fifth Third Bank Tennis Championships, where he has defeated
Chris Guccione in the first round handily, and
Raven Klaasen in the second, before falling to top seed and eventual champion
Carsten Ball. Again playing doubles with Raonic, the pair withdrew from their second-round match due to a Raonic injury. In July, Polansky, as the eighth seed in singles at the
2010 Challenger Banque Nationale de Granby, lost to world no. 221
Greg Jones. (The singles field for this event featured the top eight ranked Canadian tour players.) In doubles, Polansky and partner
Érik Chvojka reached the quarterfinals. The following week Polansky lost to top seed
Taylor Dent in the first round of the
2010 Odlum Brown Vancouver Open in three sets. The next week, he appeared in the singles main draw of the
2010 Rogers Cup, having been granted a wild card, where he faced and beat no. 13
Jürgen Melzer in the first round. Peter lost in the second round, however, to
Victor Hănescu in straight sets. After a week off, Polansky qualified for singles play at the
US Open, having defeated
Santiago González,
Franko Škugor, and
John Millman in qualifying. Polansky advanced to the second round of the main draw, after defeating 30th seed
Juan Mónaco. He was the first Canadian to advance to the second round since
Daniel Nestor in 2000. He lost, however, in the next round to wild card entrant and former world no. 4
James Blake. This result saw his singles ranking return to near a career-high of world no. 176. After the US Open, Polansky won both of his singles
Davis Cup rubbers against
the Dominican Republic, as
Canada won the tie, a playoff to stay in the Americas Zone Group 1, 5–0. The following week, he reached the second round of the
2010 Chang-Sat Bangkok Open 2 in singles, defeating a Thai wild card entrant before falling to
Sebastian Rieschick. A week later, Peter lost to unseeded
Frederik Nielsen in the qualifying round of the
PTT Thailand Open. Then, the following week, he lost to eighth seed
Rajeev Ram in the first round of qualifying for the
2010 Rakuten Japan Open Tennis Championship. He did not play for the remainder of the year. Due to the surge of teenager
Milos Raonic, Polansky once again became Canadian No. 2 in singles for the first time since June of the previous year.
2017 Polansky began his 2017 season playing a challenger event in
Happy Valley, Australia by reaching the quarterfinals before losing to
Omar Jasika, who lost in the final. Polansky was seeded 22nd in qualifying draw in his 8th appearance at the
Australian Open. The top seed in his section was 4th seed
Yūichi Sugita. Polansky beat both
Tristan Lamasine and
Mirza Bašić in straight sets before losing to Young Gun finalist
Andrey Rublev in 3 sets. Polansky was able to enter the main draw as a
lucky loser replacing Aussie
Thanasi Kokkinakis. He drew the 30th seed,
Pablo Carreño Busta in the first round and got out to a two sets to one lead but eventually he had to retire from the match with an illness in the 5th set. From the start of February to the end of June, Polansky struggled to get positive results going 2–9 in challenger matches, 5–8 in qualifying matches and 0–1 in ATP matches. Polansky did qualify for Memphis, but lost in three sets to
Matthew Ebden. At his seventh appearance at the
French Open, he lost in the second round of qualifying to
Alexander Bublik and at his seventh appearance at
Wimbledon he lost to
Stefano Travaglia in five sets after leading two sets to one. Polansky returned to Canada to play the Canadian summer circuit including challengers in
Winnipeg,
Gatineau and
Granby in July and he was defending a lot of points from 2016. Polansky lost in the final of all three challengers, losing to
Blaž Kavčič twice and
Denis Shapovalov. In the three tournament run, he beat
Malek Jaziri,
Brayden Schnur,
Frank Dancevic and
Denis Shapovalov and reached a career high ranking of 115. He followed up with a direct entry main draw performance in
Los Cabos, where he beat
Yasutaka Uchiyama for the third time in the month. Polansky got a wildcard into the
Rogers Cup in
Montreal where he beat
Vasek Pospisil in straight sets before losing to world number 3,
Roger Federer. Polansky ended his summer at the US Open, where he lost in third round of qualifying to
Tim Smyczek in straight sets. Polansky spent the end of the season playing in Asia in seven challenger events and two ATP events. He had some success playing challengers, reaching the semifinals in
Gwangju,
South Korea and the quarterfinals in
Ningbo, China and in
Ho Chi Minh City. He finished the year with a record of 2 wins and 4 losses on the ATP tour, but he had 36 wins combining ATP and challenger tours.
2018: Lucky Loser Slam Polansky began the year in Australia in Brisbane with qualifying wins over
Filip Peliwo and
Yannick Hanfmann. He lost a first match against a wildcard entry
John Millman 6–7, 0–6. Polansky entered the
Australian Open qualifying draw for the 9th time of his career. Seeded 26th in the qualifying draw, he beat
João Domingues in the first round 7–6, 6–4. He followed up the win with a 6–2, 7–5 win over
Christian Harrison before losing 1–6, 6–3, 6–3 to 15th seed,
Yuki Bhambri. For the second consecutive year, Polansky got into the main draw as a lucky loser.
Karen Khachanov served 21 aces as he beat Polansky 7–6, 7–6, 6–4. In March, Polansky qualified for the
2018 BNP Paribas Open at Indian Wells by winning two matches. In the first round of the main draw, he beat
Marius Copil 7–6(3), 6–7(5), 7–6(12) on his eighth match point after saving two match points. The match took 3 hours and 11 minutes and there were five rallies over 35 shots in the deciding tiebreak. Polansky lost to the 20th seed
Adrian Mannarino in straight sets in the second round. Polansky failed to qualify for the
2018 Miami Open falling in the second round to
Rogério Dutra Silva in three close sets. In May, Polansky entered the French Open qualifying draw for the 8th time in his career. Seeded 14th in the qualifying draw, he beat
Norbert Gombos 2–6, 7–6(3), 6–2 in the first round. He followed up the win with a 6–4, 6–2 win over
Peđa Krstin before losing 7–6(1), 7–6(3) to
Jozef Kovalík. For the second consecutive grand slam tournament, Polansky got into the main draw as a lucky loser.
Pierre-Hugues Herbert beat Polansky in 4 sets, 6–3, 4–6, 6–2, 6–2. In June, Polansky entered the
Wimbledon qualifying draw for the 8th time in his career. Seeded 8th in the qualifying draw, he beat
Yang Tsung-hua 4–6, 6–2, 6–3 in the first round. He followed up the win with a 7–5, 6–2 win over
Alejandro Davidovich Fokina before losing 7–6(5), 6–3, 6–7(6), 6–4 to Jason Kubler in the third round of qualifying. It was the second consecutive year that Polansky lost in QR3. For the third consecutive grand slam tournament, Polansky got into the main draw as a lucky loser.
Dennis Novak beat Polansky in 3 sets, 6–2, 6–3, 7–6(7). In August, Polansky received a wild card to play in the
2018 Rogers Cup for the 10th time in his career. He reached the second round for the 6th time after beating
Matthew Ebden. He played
Novak Djokovic losing 6–3, 6–4. Polansky has lost twice against Novak Djokovic and twice against Roger Federer at the Roger's Cup. Polansky entered the
US Open qualifying draw for the 10th time in his career. Seeded 12th in the qualifying draw, he beat
Sergio Gutiérrez Ferrol 6–4, 6–4 in the first round. He followed up that win with a 7–6(7), 6–4 win over
Santiago Giraldo before losing 7–5, 1–6, 6–3 to Donald Young despite winning more points in the match. For the fourth consecutive grand slam tournament, Polansky got into the main draw as a lucky loser. The achievement was dubbed the "lucky loser" slam. He lost to
Alexander Zverev 6–2, 6–1, 6–2. Polansky won 46 matches in 2018. He played in 11 ATP events, a career high, with three wins. He played in ATP qualifying (non Grand Slam) seven times, successfully qualifying three times. He won 27 matches on the challenger tour. The highlights of the challenger season were a tournament win in
Granby, a final in
Charlottesville and four quarter-final results. He reached a career high of 110 in the world on June 25, 2018, and finished the year with an ATP ranking of 121. Due to the change in ranking system, his ranking to begin 2019 at 119 in the world. It was his best year end ranking and the seventh time he finished the year in the top 200. He also finished with a career best ranking of 125 in doubles. ==Performance timelines==