Solana Sierra def. Arianne Hartono
7-6(4) 6-3
Solana Sierra defeated Arianne Hartono 7-6(4) 6-3 in the 2025 São Paulo Open first round on hard courts on September 8, 2025.
Match Information
Match Statistics
| Stat | Solana Sierra | Arianne Hartono |
|---|---|---|
| Serving | ||
AcesServes that land in and are not touched by the returner. | 2 | 1 |
Double faultsService points lost by missing both first and second serve. | 16 | 11 |
First serve %Percentage of service points where the first serve landed in. | 52.7% | 54.0% |
First serve points won %Percentage of points won after making a first serve. | 89.7% | 62.5% |
Second serve points won %Percentage of second-serve points won, including points lost through double faults. | 34.3% | 47.1% |
Break points saved %Percentage of break points won by the server. | 40.0% | 73.3% |
Service points won %Percentage of all points won while serving. | 63.5% | 55.4% |
| Returning | ||
Break points converted %Percentage of break-point chances won by the returner. | 26.7% | 60.0% |
Return points won %Percentage of all points won while returning. | 44.6% | 36.5% |
| Overall | ||
Total points won %Percentage of all completed points won. | 54.0% | 46.0% |
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. | +6.7 | -1.4 |
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. | +1.4 | -6.7 |
* Match Serve+ and Match Return+ compare this match with the WTA 2025 average from available match stats. Zero is average; +5 means five percentage points above average. No opponent adjustment.
Player Comparison
| Field | Solana Sierra | Arianne Hartono |
|---|---|---|
| Country | ARG | NED |
| Birth date | Jun 17, 2004 | Apr 21, 1996 |
| Age | 21 | 29 |
| Height | 172 cm | — |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | Two-Handed Backhand | — |
| Ranking (entering) | 82 | 189 |
| Ranking points (entering) | 881 | 387 |
| Elo (entering) | 1,648 | 1,520 |
| Current career W-L | 18–23 | 7–17 |
| Current career earnings | $2,011,751 | $922,806 |
No prior-path match data is available for this tournament stage.