2005: Juniors Haase was a promising junior player, compiling a singles win–loss record of 76–41 and reaching as high as No. 3 in the junior world rankings in March 2005. Later in 2005, he lost in the final of Junior Wimbledon to
Jérémy Chardy in his last junior-level tournament.
2006: ATP and Davis Cup debut, First Challenger title Haase started 2006 ranked No. 665. In June, he played his first ATP tournament at
Rosmalen, losing in the first round against
Juan Carlos Ferrero. In September, he made his debut for the
Dutch Davis Cup team in the
World Group play-offs against the Czech Republic, losing against
Tomáš Berdych in straight sets and winning over
Jan Hernych after the competition already was decided. In November, Haase won his first Challenger tournament in
Nashville, beating two top-100 players in the process. In December, he won his first Dutch Masters title by beating defending champion
Raemon Sluiter in the finals of the
2006 Sky Radio Tennis Masters. Haase further reached three semifinals on the
ATP Challenger Tour and ended the year ranked No. 164.
2007: First Top-10 win, Grand Slam debut In March, he won his second Challenger in
Wolfsburg. In July, Haase reached his first ATP Tour semifinal at the
Dutch Open in
Amersfoort, where in the quarterfinals. he beat a top-100 player
Florent Serra. He eventually lost in straight sets to
Werner Eschauer. Capping off a good week, he reached the final in doubles with compatriot
Rogier Wassen, but lost in straight sets. In August, Haase for the first time defeated a top-10 player at the
Rogers Cup, beating
Tomáš Berdych. Haase made his Grand Slam debut at the
US Open as a
lucky loser, due to the withdrawal of
Mario Ančić. He lost in the first round in straight sets to the third seed and eventual runner-up,
Novak Djokovic.
2008–2010: Australian and Wimbledon first wins At the
2008 Chennai Open, Haase claimed another top-20 win when he defeated the second-seeded
Marcos Baghdatis in the first round. Haase pushed
Lleyton Hewitt to five sets in the first round of
Wimbledon 2008, with Hewitt finally winning. Using protected ranking, Haase returned to
Wimbledon two years later, where he upset
James Blake in straight sets in the first round. He was narrowly defeated by world No. 1 and eventual champion,
Rafael Nadal, in the second round in five sets.
2011: First ATP title, top 50 year-end ranking At
Wimbledon, Haase beat world No. 22,
Fernando Verdasco, in the second round in four sets. In the third round, he trailed against
Mardy Fish, before retiring with a knee problem. Haase then landed his first ATP title at the
Austrian Open in
Kitzbühel. In the opening round, he led
Potito Starace, 6–3, 2–0, before his opponent retired due to injury. In the second round, he defeated second seed
Feliciano López in a rain-delayed match that spanned two days. Hours later on the same day, he beat
Andreas Seppi in the quarterfinals. In the semifinals, he defeated qualifier
João Souza. In the final, he came out on top against experienced clay-courter
Albert Montañés. At the
US Open, Haase reached the second round after beating Portuguese
Rui Machado in straight sets. In the second round, Haase led fourth seed
Andy Murray by two sets to love, but was eventually beaten in five sets, despite coming back from 4–0 to 4–4 in the deciding set. Haase ended the year ranked No. 45, his highest end-of-year ranking in his professional career.
2012–14: Australian Open doubles final, top 40 career-high in singles Robin Haase meant to start the year playing in
Chennai, but because of troubles obtaining a visa, he had to withdraw. In Australia, he lost first-round matches in
Sydney and
Melbourne, losing first to
Alex Bogomolov Jr. and then to
Andy Roddick. At the indoor tournament of
Zagreb, Haase was seeded seventh and reached the quarterfinals, losing to
Lukáš Lacko. In February, he helped the Dutch Davis Cup team to a 5–0 victory over Finland in
World Group I, playing a singles match and partnering in the doubles with
Jean-Julien Rojer. In
Rotterdam and
Indian Wells, Haase lost again in the first round, this time to
Nikolay Davydenko and
Pablo Andújar. In a
Challenger tournament in
Dallas, Hasse reached the quarterfinals. In the
Miami Masters, he lost in the second round to
Jürgen Melzer after winning against
Marinko Matosevic. In the second round of World Group I, the Netherlands won 5–0 against the Romanian team. Haase played two singles matches. In
Casablanca, Haase was seeded sixth, but lost in the first round to Algerian
Lamine Ouahab, ranked No. 752. In the next week, Haase played the
2012 Monte-Carlo Masters. In the first round, his opponent
Juan Mónaco retired in the third set. In the second round, Haase faced
Fabio Fognini, defeating him in straight sets. In the third round facing Brazilian
Thomaz Bellucci, who defeated fifth seed,
David Ferrer in the previous round, Haase won in straight sets. In the quarterfinals, playing top seed,
Novak Djokovic, who defeated him in straight sets, despite Haase breaking his serve four times. Robin Haase was the first Dutch player in nine years to reach a Masters Tournament quarterfinals, the last being
Martin Verkerk. Haase then won the tournament in Kitzbühel for the second year in a row, beating
Philipp Kohlschreiber. He then lost in the first round of the
2012 London Olympics in both
singles and
doubles. In 2013, Robin Haase partnering with fellow Dutch
Igor Sijsling reached the finals of the
2013 Australian Open where they lost to the
Bryan brothers. Haase finished the year 2013 ranked at World No. 43 in singles, his best career year ending thus far, and World No. 56 in doubles.
2017–18: Two Major doubles quarters, Masters semis & two Top 50 singles year-ends Haase reached the quarterfinals in doubles at the
2017 US Open (tennis) with
Matwé Middelkoop and at the
2018 Wimbledon Championships with
Robert Lindstedt. Haase made it to the 2017 singles semifinals of the
Canadian Open, his best showing at Masters 1000 level in his career, and also to the singles quarterfinals of the
2018 Canadian Open.
2019–22: Two Masters finals & ATP 500 title & Top 30 in doubles Haase partnering
Wesley Koolhof made the finals of two Masters 1000 at the
2019 Monte-Carlo Masters and at the
Canadian Open. As a result, he reached a career-high in doubles of No. 30 on 20 May 2019. He reached also two ATP 500 doubles finals at the
2019 Hamburg European Open with Koolhof and at the
2022 ABN AMRO World Tennis Tournament with
Matwé Middelkoop, winning the latter. He also reached the semifinals in doubles with Middelkoop at the
2022 Libéma Open. At the
2022 Swiss Open Gstaad he reached the final in doubles with
Philipp Oswald, where they lost to
Tomislav Brkić and
Francisco Cabral. He reached also with Oswald the semifinals at the
2022 Generali Open Kitzbühel where they lost to
Lorenzo Sonego and
Pedro Martínez and the third round at the
US Open. His singles ranking dropped out of the top 300 on 10 October 2022 but following a semifinal showing at the Challenger in
Hamburg, where he lost to
Henri Laaksonen, he climbed 35 positions back to No. 257 in the rankings on 24 October 2022.
2023: First ATP singles win in two years, 20th final & 8th doubles title He entered the
2023 Adelaide International 2 as a lucky loser replacing
Maxime Cressy in the last minute after being an alternate in qualifying, and won his first singles match since February 2021 against
Benjamin Bonzi in three tight sets 3–6, 7–6(8), 7–6(3). As a result, he climbed more than 20 positions in the rankings back into the top 250 at No. 235. At the
2023 Open Sud de France he reached his twentieth doubles final partnering compatriot Middelkoop. He won his eight title defeating
Maxime Cressy /
Albano Olivetti. == Style of play ==