(UPDATED 9 NOVEMBER 2025)
- Achieved career-high No. 6 in February 2025 after run to Australian Open SF w/Krawietz.
- In his tournament debut, won 2024 Nitto ATP Finals title w/Krawietz, becoming 1st German champions in tournament history after being an alternate in 2021 and 2022.
- Captured ATP Masters 1000 titles at 2021 Paris w/Venus and 2025 Shanghai w/Krawietz and earned 3 of 12 career titles in Hamburg, 2021 w/Venus and 2023-24 w/Krawietz.
- Advanced to 1st Grand Slam final at 2024 US Open w/Krawietz and reached semi-finals at 2023 Wimbledon and 2025 Australian Open.
- Won 2023 Roland Garros mixed doubles title w/Kato, after she was defaulted in women’s doubles earlier in the event, to become the first German man to win that event in tournament history.