Site data updated: 2026-05-28 18:14 UTC
Zhizhen Zhang def. Daniel Altmaier
6-4 6-4
Match Information
| Date | Jul 29, 2023* |
|---|---|
| Tournament | Hamburg |
| Category | ATP 500 |
| Surface | Clay |
| Round | QF |
| Winner | Zhizhen Zhang |
| Score | 6-4 6-4 |
| Loser | Daniel Altmaier |
| Duration | 1h 23m |
| Stat | Zhizhen Zhang | Daniel Altmaier |
|---|---|---|
| Aces | 2 | 7 |
| Double faults | 2 | 0 |
| First serve % | 73 | 64 |
| First serve points won % | 76 | 71 |
| Second serve points won % | 65 | 58 |
| Break points saved % | 100 | 60 |
| Break points converted % | 40 | 0 |
| Service points won % | 73 | 66 |
| Return points won % | 34 | 27 |
| Total points won % | 55 | 45 |
Pre-match Comparison
| Field | Zhizhen Zhang | Daniel Altmaier |
|---|---|---|
| Country | CHN | GER |
| Birth date | — | Sep 12, 1998 |
| Age | — | 24 |
| Height | 193 | 188 |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | — | One-Handed Backhand |
| Ranking (entering) | 79 | 61 |
| Ranking points (entering) | 737 | 833 |
| Elo (entering) | 1,678 | 1,715 |
| Career W-L | 57–74 | 74–127 |
| Career earnings | $4,592,548 | $5,647,186 |
Path
Zhizhen Zhang's path
| Date | Round | Opponent | Score | W/L | H2H | Match data |
|---|---|---|---|---|---|---|
| Jul 28, 2023 | R16 | Yannick Hanfmann | 4-6 6-1 6-4 | W | H2H | Match data |
| Jul 27, 2023 | R32 | Jan Choinski | 6-4 7-5 | W | H2H | Match data |
Zhizhen Zhang's next match
| Date | Round | Opponent | Score | W/L | H2H | Match data |
|---|---|---|---|---|---|---|
| Jul 29, 2023 | SF | Laslo Djere | 3-6 2-6 | L | H2H | Match data |
Daniel Altmaier's path
| Date | Round | Opponent | Score | W/L | H2H | Match data |
|---|---|---|---|---|---|---|
| Jul 28, 2023 | R16 | Andrey Rublev | 6-2 6-2 | W | H2H | Match data |
| Jul 27, 2023 | R32 | Richard Gasquet | 7-5 6-4 | W | H2H | Match data |