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 Brkic and Francisco Cabral. He reached also with Oswald the semifinals at the 2022 Generali Open Kitzbühel where they lost to Lorenzo Sonego and Pedro Martinez 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 Haase has a powerful serve, which often exceeds 200 km/h. It is also very accurate. Although his double-handed backhand is weaker than his forehand, he can attack and defend with both. When he hits the ball very flat, he is a threat to top players, as he led Nadal by two sets to one in Wimbledon before losing in 5 sets, and holding a two sets to love lead against three time Grand Slam champion Andy Murray in the US Open before eventually losing in five sets. He is capable of producing spectacular shots, such as powerful forehands down the line on the run, à la Sampras, or backhand winners while taking the ball on the rise, his left foot in the air. An accomplished doubles player, Haase does