2009–2017: ATP debut Krawietz made his ATP debut at the
2009 German Open as a wildcard. He lost to
Jan Hernych in the first round in three sets. In 2010 Krawietz received a wildcard for the
Bavarian Championships in Munich, where he lost to
Tomáš Berdych in the first round in straight sets. Through 2017 Krawietz played mainly on the
ITF Circuit and the
ATP Challenger Tour. In 2015, he won his first Challenger doubles title at the
Morocco Challenger in Meknes, partnering with
Maximilian Marterer.
2018–2020: Consecutive French Open titles, world No. 7 Krawietz reached the third round at the
2018 Wimbledon Championships in doubles with partner
Andreas Mies as a qualifier, where they lost to the later champions
Mike Bryan and
Jack Sock despite having two match points. Krawietz won his first doubles title on the ATP Tour at the
2019 New York Open, again with Mies. He and Mies then won the
2019 French Open doubles title as unseeded players, defeating the French duo
Jérémy Chardy and
Fabrice Martin in the final. This victory made them the first all-German team in the
Open Era to win a Grand Slam title, and the first since
Gottfried von Cramm and
Henner Henkel in 1937. He won his first main draw singles match on the ATP Tour as a qualifier at the
Antalya Open, defeating wildcard
Cem İlkel in the first round. At the
2019 US Open, he and Mies reached the semifinals. They won their third title at the
2019 European Open in Antwerp. In 2020, Krawietz and Mies successfully defended their
French Open title, defeating
Mate Pavić and
Bruno Soares in straight sets in the final. After winning the title twice, they have not yet lost a match at the French Open as a pair.
2021–2022: Four doubles titles, partnership changes In 2021 Krawietz won his fifth doubles title at the
Bavarian Championships in Munich, partnering
Wesley Koolhof. For the French Open, he teamed up with
Horia Tecău. As a twice defending champion he extended his unbeaten run to 15 wins before finally suffering his first French Open defeat in a quarterfinal loss. He and Tecău won the
2021 Halle Open, which was his first title at an
ATP 500 tournament, and his first on grass. At the
2022 Barcelona Open, Krawietz won the title, joining up with Mies. Within a week, they also won the title on home soil in
Munich. At the
French Open, he lost his first doubles match at the tournament when he and Mies suffered an upset loss in the first round.
2023: New partnership with Putz, Wimbledon semifinal In March, partnering with
Fabrice Martin, he reached the semifinals of the
Miami Open. He reached the semifinals of the
2023 Monte-Carlo Masters and for the fourth time the quarterfinals of the
2023 French Open with his new partner
Tim Pütz, with a win over
Romain Arneodo and
Sam Weissborn, getting revenge for their loss to the same duo in Monte-Carlo six weeks earlier. They lost to eventual champions
Ivan Dodig and
Austin Krajicek in three sets. He reached the semifinals for the first time at the
Wimbledon Championships with Pütz. The same month, they won their first title together at the
Hamburg European Open.
2024: US Open finalist and ATP Finals champion At the
Australian Open, he reached the quarterfinals for the first time at this tournament with Pütz. The pair also reached the semifinals at the
Indian Wells Open where they lost to unseeded pair and eventual champions Wesley Koolhof/Nikola Mektić. At the
Miami Open they lost also in the semifinals to second seeds Austin Krajicek/Ivan Dodig. Next they reached the quarterfinals at the
Monte-Carlo Masters where they lost again to the eventual champions and also unseeded pair of
Joran Vliegen and
Sander Gillé. He reached his third major final with Pütz at the
US Open defeating fifth seeds
Andrea Vavassori and
Simone Bolelli, 16th seeds
Máximo González and
Andrés Molteni and fourth seeds
Marcelo Arévalo and
Mate Pavić in the semifinals. At the
2024 ATP Finals with Pütz, he reached the semifinals defeating
Simone Bolelli and
Andrea Vavassori. They became the first all-German duo to reach the semifinals and then the final in ATP Finals history. They also became the first No. 8 seeds to reach the doubles final, which they won in straight sets against Marcelo Arévalo and Mate Pavić.
2025: Masters title, world No. 5 Krawietz and Pütz reached the final at the
Adelaide International, losing to
Simone Bolelli and
Andrea Vavassori in a deciding champions tiebreak. He won his first
ATP Masters 1000 title at the
Shanghai Masters, again with Pütz. ==Performance timelines==