Zhizhen Zhang def. Jozef Kovalik
6-4 6-4
Zhizhen Zhang defeated Jozef Kovalik 6-4 6-4 in the 2021 Hamburg Open first qualifying round on clay courts on July 12, 2021.
Match Information
Match Statistics
| Stat | Zhizhen Zhang | Jozef Kovalik |
|---|---|---|
| Serving | ||
AcesServes that land in and are not touched by the returner. | 8 | 2 |
Double faultsService points lost by missing both first and second serve. | 4 | 5 |
First serve %Percentage of service points where the first serve landed in. | 55.7% | 53.9% |
First serve points won %Percentage of points won after making a first serve. | 73.5% | 65.9% |
Second serve points won %Percentage of second-serve points won, including points lost through double faults. | 48.1% | 40.0% |
Break points saved %Percentage of break points won by the server. | 50.0% | 71.4% |
Service points won %Percentage of all points won while serving. | 62.3% | 53.9% |
| Returning | ||
Break points converted %Percentage of break-point chances won by the returner. | 28.6% | 50.0% |
Return points won %Percentage of all points won while returning. | 46.1% | 37.7% |
| Overall | ||
Total points won %Percentage of all completed points won. | 53.3% | 46.7% |
Match Serve+This match’s service points won percentage minus the tour’s season average, in percentage points. Zero is average; +5 means five points above average. Match-weighted available stats; no opponent adjustment. | -1.0 | -9.3 |
Match Return+This match’s return points won percentage minus the tour’s season average, in percentage points. Zero is average; +5 means five points above average. Match-weighted available stats; no opponent adjustment. | +9.3 | +1.0 |
* Match Serve+ and Match Return+ compare this match with the ATP 2021 average from available match stats. Zero is average; +5 means five percentage points above average. No opponent adjustment.
Player Comparison
| Field | Zhizhen Zhang | Jozef Kovalik |
|---|---|---|
| Country | CHN | SVK |
| Birth date | Oct 16, 1996 | Nov 4, 1992 |
| Age | 24 | 28 |
| Height | 193 cm | 183 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | — | — |
| Ranking (entering) | 161 | 129 |
| Ranking points (entering) | 449 | 633 |
| Elo (entering) | 1,582 | 1,556 |
| Current career W-L | 57–75 | 26–46 |
| Current career earnings | $4,623,420 | $2,294,990 |
No prior-path match data is available for this tournament stage.