Daniel Altmaier
German tennis player (born 1998)
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Key Takeaways
- Daniel Altmaier ( German pronunciation: [ˈdaːni̯eːl ˈʔaltmaɪɐ, -ni̯ɛl -] ; born 12 September 1998) is a German professional tennis player.
- 44, achieved on 5 January 2026.
- 2 German singles player.
- He speaks Russian, German, and English.
- He lost to Sam Querrey in the first round.
Daniel Altmaier (German pronunciation: [ˈdaːni̯eːl ˈʔaltmaɪɐ, -ni̯ɛl -]; born 12 September 1998) is a German professional tennis player. He has a career-high ATP singles ranking of world No. 44, achieved on 5 January 2026. He is currently the No. 2 German singles player.
Personal life
Altmaier's father Jurij is Ukrainian and his mother Galina is Russian. He speaks Russian, German, and English.
Career
2017: ATP debut
Altmaier made his ATP main draw debut as a qualifier at the 2017 Geneva Open, defeating Alexander Ward and Petr Michnev in qualifying. He lost to Sam Querrey in the first round.
He won his first ATP tour-level match as a lucky loser at the 2017 Antalya Open when he beat Víctor Estrella Burgos. In the next round, he defeated wildcard Marsel İlhan to reach the quarterfinals, where he lost to Yūichi Sugita. Both of his victories were decided by a third set tiebreak.
2020: Major debut and first top-10 win
Shoulder and hip injuries held back Altmaier's progress in his tennis career, but victories in qualifying over Tallon Griekspoor and Ruben Bemelmans led to his Grand Slam debut at the 2020 French Open, where he defeated Feliciano López, 30th seed Jan-Lennard Struff and 7th seed Matteo Berrettini, all of them in straight sets. In the fourth round, he lost to Pablo Carreño Busta.
2021: Two ATP semifinals, Top 100 debut
In October, Altmaier recorded his first win at a Masters 1000 level on his debut at the 2021 BNP Paribas Open defeating Sam Querrey.
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