ATP Tennis - Daniel Altmaier
- Tournament: N/A
- Round: N/A
- Opponent: N/A
- DOB: 1998-09-12
- Birthplace: Germany, Germany
- Height: 74.0 cm
- Weight: 174.0 kg
- Plays: R
- Current World Rank: 152
- Hard: 0-2
- Clay: 6-8
- Grass: 2-2
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| Croatia Open Umag | Jul 24, 2021 | 7-6 (7-2), 3-6, 6-3 | Semi Finals | Richard Gasquet | Daniel Altmaier |
| Croatia Open Umag | Jul 23, 2021 | 6-2, 6-4 | Quarter Finals | Daniel Altmaier | Dusan Lajovic |
| Croatia Open Umag | Jul 22, 2021 | 4-6, 6-1, 7-5 | Second Round | Daniel Altmaier | Gianluca Mager |
| Croatia Open Umag | Jul 20, 2021 | 5-7, 6-1 | First Round | Daniel Altmaier | Corentin Moutet |
| German Open Hamburg | Jul 13, 2021 | 6-3, 6-7 (3-7), 6-1 | First Round | Filip Krajinovic | Daniel Altmaier |
| Halle Open | Jun 14, 2021 | 6-2, 7-6 (7-4) | First Round | Jordan Thompson | Daniel Altmaier |
| Emilia-Romagna Open | May 25, 2021 | 6-3, 6-3 | First Round | Richard Gasquet | Daniel Altmaier |
| Geneva Open | May 18, 2021 | 7-6 (8-6), 6-4 | First Round | Feliciano Lopez | Daniel Altmaier |
| Chile Open | Mar 8, 2021 | 7-6 (7-2), 3-6, 7-5 | First Round | Daniel Elahi Galan | Daniel Altmaier |
| bett1HULKS Championships | Oct 19, 2020 | 6-1, 6-0 | First Round | Egor Gerasimov | Daniel Altmaier |
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| Croatia Open Umag | Jul 24, 2021 | 7-6 (7-2), 3-6, 6-3 | Semi Finals | Richard Gasquet | Daniel Altmaier |
| Croatia Open Umag | Jul 23, 2021 | 6-2, 6-4 | Quarter Finals | Daniel Altmaier | Dusan Lajovic |
| Croatia Open Umag | Jul 22, 2021 | 4-6, 6-1, 7-5 | Second Round | Daniel Altmaier | Gianluca Mager |
| Croatia Open Umag | Jul 20, 2021 | 5-7, 6-1 | First Round | Daniel Altmaier | Corentin Moutet |
