Claire Liu def. Polona Hercog
7-6(4) 1-6 6-4
Claire Liu defeated Polona Hercog 7-6(4) 1-6 6-4 in the 2018 US Open first round on hard courts.
Match Information
Match Statistics
| Stat | Claire Liu | Polona Hercog |
|---|---|---|
| Serving | ||
AcesServes that land in and are not touched by the returner. | 1 | 5 |
Double faultsService points lost by missing both first and second serve. | 7 | 7 |
First serve %Percentage of service points where the first serve landed in. | 60.6% | 50.4% |
First serve points won %Percentage of points won after making a first serve. | 59.6% | 66.1% |
Second serve points won %Percentage of second-serve points won, including points lost through double faults. | 43.2% | 39.3% |
Break points saved %Percentage of break points won by the server. | 30.0% | 70.0% |
Service points won %Percentage of all points won while serving. | 53.2% | 52.8% |
| Returning | ||
Break points converted %Percentage of break-point chances won by the returner. | 30.0% | 70.0% |
Return points won %Percentage of all points won while returning. | 47.2% | 46.8% |
| Overall | ||
Total points won %Percentage of all completed points won. | 49.8% | 50.2% |
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. | -3.5 | -3.9 |
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. | +3.9 | +3.5 |
* Match Serve+ and Match Return+ compare this match with the WTA 2018 average from available match stats. Zero is average; +5 means five percentage points above average. No opponent adjustment.
Player Comparison
| Field | Claire Liu | Polona Hercog |
|---|---|---|
| Country | USA | SLO |
| Birth date | May 25, 2000 | Jan 20, 1991 |
| Age | 18 | 27 |
| Height | 170 cm | 185 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | Two-Handed Backhand | Two-Handed Backhand |
| Ranking (entering) | 158 | 77 |
| Ranking points (entering) | 388 | 830 |
| Elo (entering) | 1,567 | 1,612 |
| Current career W-L | 44–64 | 170–214 |
| Current career earnings | $2,831,615 | $4,550,360 |
No prior-path match data is available for this tournament stage.