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: 144
- Hard: 0-2
- Clay: 3-4
- Grass: 2-1
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| 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 |
| bett1HULKS Indoors | Oct 13, 2020 | 3-6, 6-3, 7-6 (7-5) | First Round | Henri Laaksonen | Daniel Altmaier |
| Roland Garros | Oct 5, 2020 | 6-2, 7-5, 6-2 | Fourth Round | Pablo Carreno Busta | Daniel Altmaier |
| Roland Garros | Oct 3, 2020 | 6-2, 7-6 (7-5), 6-4 | Third Round | Daniel Altmaier | Matteo Berrettini |
| Roland Garros | Oct 1, 2020 | 6-3, 7-6 (7-4), 6-3 | Second Round | Daniel Altmaier | Jan-Lennard Struff |
| Roland Garros | Sep 28, 2020 | 7-6 (7-1), 6-4, 6-4 | First Round | Daniel Altmaier | Feliciano Lopez |
| German Open Hamburg | Jul 22, 2019 | 6-2, 6-2 | First Round | Martin Klizan | Daniel Altmaier |
| German Open Hamburg | Jul 24, 2017 | 7-6 (7-2), 6-4 | First Round | Horacio Zeballos | Daniel Altmaier |
| Antalya Open | Jun 29, 2017 | 6-3, 6-0 | Quarter Finals | Yuichi Sugita | Daniel Altmaier |
