Level, 1 wins each over 2 singles meetings since 2023. Last meeting on 06/05/2026 at Internazionali BNL d'Italia - Rome.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 06/05/2026 | Internazionali BNL d'Italia - Rome | Round 1 | clay | Altmaier | 6-4 6-7(3) 4-6 |
| 28/07/2023 | Hamburg European Open - Hamburg | Quarter-final | clay | Zhang | 6-4 6-4 |
| clay | Zhang 1 - 1 Altmaier |
| 2026 | Zhang 0 - 1 Altmaier |
| 2023 | Zhang 1 - 0 Altmaier |
138 wins, 123 losses since 2021 (52.9%).
Last matches: D D D V D
193 wins, 174 losses since 2021 (52.6%).
Last matches: D D D V D
Level, 1 wins each over 2 singles meetings since 2023.
On 06/05/2026, at Internazionali BNL d'Italia - Rome (Round 1): Daniel Altmaier won 6-4 6-7(3) 4-6.