Eastern Conference first round (A1) Montreal Canadiens vs. (WC1) Ottawa Senators The Montreal Canadiens finished first in the Atlantic division, earning 110 points. The Ottawa Senators finished as the Eastern Conference's first wild-card, earning 99 points. This was the second playoff meeting between these teams; their only previous meeting was in the
2013 Eastern Conference quarterfinals, which Ottawa won in five games. Ottawa won three of the four games in the regular season series. The Canadiens won the first three games of the series en route to defeating the Senators in six games. In game one,
Brian Flynn scored the game-winning goal at 17:17 of the second period, and recorded two assists as the Canadiens won 4–3. Montreal's
P. K. Subban was given a five-minute major and a game misconduct for slashing Ottawa's
Mark Stone during the second period, resulting in a microfracture of Stone's right wrist, but did not face any further League discipline.
Alex Galchenyuk's goal at 3:40 into overtime gave the Canadiens a 3–2 win in game two. Cameron replaced
Andrew Hammond with
Craig Anderson as his starting goalie for game three, but
Dale Weise tied the game with 5:47 left in the third period, then scored at 3:40 into overtime to give Montreal a 2–1 win. Anderson rebounded in game four, stopping all 28 Montreal shots while
Mike Hoffman scored the Senators' only goal to win 1–0. Ottawa then took game five by a score of 5–1 as Anderson stopped 45 of 46 shots, and
Bobby Ryan scored two goals. The Canadiens then eliminated the Senators in Game 6 2–0 as goaltender
Carey Price stopped all 43 of Ottawa's shots.
(A2) Tampa Bay Lightning vs. (A3) Detroit Red Wings The Tampa Bay Lightning finished second in the Atlantic Division, earning 108 points. The Detroit Red Wings earned 100 points in the regular season to finish third in the Atlantic. This was the first playoff meeting between these two teams. Tampa Bay won three of the four games in the regular season series. The Lightning defeated the Red Wings in seven games. Detroit goalie
Petr Mrazek made 44 saves and
Pavel Datsyuk recorded a goal and assist in a 3–2 win in game one. Tampa Bay took game two, 5–1, scoring four goals on 18 shots against Mrazek, including two from
Tyler Johnson. Mrazek rebounded in game three, stopping all 22 shots in a 3–0 victory. In game four, the Lightning came back from a 2–0 third-period deficit to tie the game after Johnson and
Ondrej Palat scored 1:17 apart. Johnson then scored at 2:25 of overtime for a 3–2 Tampa Bay win. Mrazek then recorded another shutout in game five, stopping 28 shots in a 4–0 win. In game six, Johnson scored two goals as the Lightning built a 3–0 second-period lead en route to a 5–2 victory. Although he was not penalized during game six, Detroit's
Niklas Kronwall was later suspended one game by the NHL for charging Tampa Bay's
Nikita Kucherov late in the second period. In game seven, Lightning goaltender
Ben Bishop stopped all of Detroit's 31 shots,
Braydon Coburn scored what proved to be the game-winning goal 3:58 into the third period and
Anton Stralman scored the empty netter with 1:18 remaining in the game to give Tampa Bay a 2–0 victory.
(M1) New York Rangers vs. (WC2) Pittsburgh Penguins The New York Rangers earned the
Presidents' Trophy as the NHL's best regular season team, earning 113 points. The Pittsburgh Penguins finished as the Eastern Conference's second wild-card, earning 98 points. This was the sixth playoff meeting between these teams, with Pittsburgh having won four of the five previous series. Their most recent meeting was in the previous year's
Eastern Conference Second Round, which New York won in seven games. New York won three of the four games in the regular season series. The Rangers defeated the Penguins in five games. In game one,
Derick Brassard and
Ryan McDonagh each had goals, while goaltender
Henrik Lundqvist stopped 24 out of 25 shots, to help give the Rangers a 2–1 victory. In game two,
Sidney Crosby scored two goals in a span of 4:39 to help give Pittsburgh a 3–1 second-period lead, en route to a 4–3 win. The Rangers took game three, 2–1, as they held the Penguins to just 11 shots on goal through the first and second periods, and Lundqvist made 12 out of 13 saves in the third. Rookie centre
Kevin Hayes then scored the game-winning goal 3:14 into overtime of game four to give the Rangers another 2–1 victory. The Rangers then recorded a third consecutive 2–1 victory in game five, with
Carl Hagelin scoring 10:52 into overtime, to take the series. Hagelin became the first Ranger to accomplish this feat since
Stephane Matteau scored a goal in game seven against the
New Jersey Devils in
1994. The Penguins were eliminated in the first round for the first time since
2012.
(M2) Washington Capitals vs. (M3) New York Islanders Both the Washington Capitals and the New York Islanders finished tied for second in the Metropolitan Division with 101 points, but Washington was awarded home-ice advantage by winning the head-to-head points tie-breaker (6–5). This was the seventh playoff meeting between these teams, with New York having won five of the six previous series. Their most recent meeting was in the
1993 Patrick Division semifinals, which New York won in six games. The teams split the four-game regular season series, with each team winning twice at home. The Capitals defeated the Islanders in seven games. The Islanders took game one, 4–1, led by
Brock Nelson's two goals, and
Josh Bailey's goal and an assist. In game two, Washington came back from a 3–1 second-period deficit to score three unanswered goals to win, 4–3, despite being forced to start rookie goalie
Philipp Grubauer in this match in place of an ill
Braden Holtby. Games three and four ended in overtime:
John Tavares scored 15 seconds into the extra period to give the Islanders a 2–1 victory in Game 3, and
Nicklas Backstrom's goal 11:09 into overtime gave the Capitals a 2–1 victory in game four. Washington then controlled game five with a 5–1 victory, led by
Evgeny Kuznetsov's two goals and an assist. The Islanders then took Game 6, 3–1, as
Nikolay Kulemin scored at 10:33 of the third period to break a 1–1 tie, and
Cal Clutterbuck added an empty netter. Game six proved to be the last playoff game that the Islanders played at
Nassau Coliseum (until
2019) before moving full-time to the
Barclays Center for three seasons, as Washington's
Evgeny Kuznetsov scored the game-winning goal 12:42 into the third period of game seven to help give the Capitals the victory, 2–1.
Western Conference first round (C1) St. Louis Blues vs. (WC1) Minnesota Wild The St. Louis Blues finished first in the Central Division, earning 109 points. The Minnesota Wild finished as the Western Conference's first wild-card, earning 100 points. This was the first playoff meeting between these two teams. The teams split the four-game regular season series, with each team winning once at home and once on the road. The Wild defeated the Blues in six games. Minnesota took game one, 4–2, as goaltender
Devan Dubnyk recorded 19 saves.
Vladimir Tarasenko then recorded a hat trick to help lead the Blues to a 4–1 victory in game two. In game three, Dubnyk stopped all 17 St. Louis shots to lead the Wild to a 3–0 win. The Blues then rebounded in game four, as five different players scored off of Dubnyk in a 6–1 win. The Wild goalie responded in game five by making 37 saves while
Nino Niederreiter and
Mikko Koivu scored in a span of 1:26 in the second period to win 4–1. Minnesota then eliminated St. Louis in game six with another 4–1 victory, as Dubnyk made 30 saves and
Zach Parise scored two goals.
(C2) Nashville Predators vs. (C3) Chicago Blackhawks The Nashville Predators finished second in the Central Division, earning 104 points. The Chicago Blackhawks earned 102 points during the regular season to finish third in the Central Division. This was the second playoff meeting between these teams; their only previous meeting was in the
2010 Western Conference quarterfinals, which Chicago won in six games. Chicago won three of the four games in the regular season series. The Blackhawks defeated the Predators in six games. In game one, Nashville scored three-straight first period goals on Chicago goaltender
Corey Crawford, prompting Blackhawks head coach
Joel Quenneville to put backup
Scott Darling in net. Chicago then rallied, scoring three-straight second period goals to tie the game before
Duncan Keith scored 7:49 into double overtime to give the Blackhawks a 4–3 victory. Crawford again started in game two, but the Predators scored four unanswered goals on him, including two goals from
Craig Smith, to tie the series with a 6–2 win. Darling was named the starter for game three and then stopped 35 Nashville shots, while Chicago scored three second-period goals to grab a 4–2 win. Game four ended exactly a minute into triple overtime when
Brent Seabrook's one-timer from the blue line went past Nashville goalie
Pekka Rinne into the net, giving the Blackhawks a 3–2 victory.
Filip Forsberg recorded his first NHL hat-trick, and Nashville scored three goals in a 2:27 span in the third period in game five to win, 5–2. In game six, Quenneville pulled Darling after giving up three first period goals on 12 Nashville shots. Chicago then rallied behind Crawford, with Keith scoring the game-winning goal 16:12 into the third period to give the Blackhawks a 4–3 win and the series.
(P1) Anaheim Ducks vs. (WC2) Winnipeg Jets The Anaheim Ducks finished first in the Pacific Division, earning 109 points. The Winnipeg Jets finished as the Western Conference's second wild-card, earning 99 points. This was the first playoff meeting between these two teams. Anaheim won all three games in the regular season series. This series also marked the first appearance of a team representing Winnipeg in the Stanley Cup playoffs in 19 years, as the Jets made the playoffs for the first time since moving from
Atlanta, and for the second time in franchise history since their only playoff appearance in
2007 when they were swept in the conference quarterfinals, leaving them entering the 2014–15 season as the only NHL franchise to never record a post-season win. The Ducks won each of the first three games with third-period comebacks en route to sweeping the series against the Jets. Down 2–1 in the third period of game one,
Corey Perry scored twice,
Ryan Getzlaf scored once and
Sami Vatanen scored once to help give Anaheim a 4–2 win. Winnipeg entered the third period of game two with a 1–0 lead, but Anaheim prevailed, 2–1, after
Patrick Maroon tied the game midway through the period and then
Jakob Silfverberg scored the game-winning goal with 21 seconds left. In game three, the Jets held a 4–3 lead late in the third period, but
Ryan Kesler tied the game with 2:14 left in regulation and
Rickard Rakell scored 5:12 into overtime to give the Ducks a 5–4 win. Anaheim only needed to come from behind from a one-goal deficit in the first period of game four, scoring three unanswered goals between the first and third periods. Kesler scored two third-period goals, and Perry recorded two assists, to close out the series for the Ducks with a 5–2 victory.
(P2) Vancouver Canucks vs. (P3) Calgary Flames The Vancouver Canucks finished second in the Pacific Division, earning 101 points. The Calgary Flames earned 97 points during the regular season to finish third in the Pacific Division. This was the seventh playoff meeting between these teams with Calgary having won four of the six previous series. Their most recent meeting was in the
2004 Western Conference quarterfinals, which Calgary won in seven games. The Flames qualified for the playoffs for the first time since
2009. The teams split the four-game regular season series, with each team winning once at home and once on the road. The Flames defeated the Canucks in six games. Calgary rallied from a one-goal deficit in game one, as
David Jones tied the game 7:59 into the third and
Kris Russell scored the winning goal with 29.6 seconds left to give the Flames a 2–1 win. The Canucks tied the series with a 4–1 win, as goalie
Eddie Lack made 22 out of 23 saves and
Alex Burrows recorded two assists. With 1:17 left to play, a fight broke out that resulted in 132 penalty minutes,
Jonas Hiller made 23 saves to help give the Flames a 4–2 win in game three. In game four, Calgary scored three first-period goals out of seven shots off of Lack.
Ryan Miller replaced Lack to start the second period, but Hiller made 28 total saves en route to a 3–1 win. Miller then made 20 saves and
Daniel Sedin scored the winning goal 1:47 into the third period to help give the Canucks a 2–1 win in Game five. In game six, Hartley pulled Hiller after he allowed two goals on his first three shots, and put
Karri Ramo in net. The Flames tied the game in the second period, and then
Matt Stajan scored what proved to be the game-winning goal late in the third period. Two empty net goals in the final minute of the game sealed the series victory for the Flames. ==Second round==