# Mary Stoiana def. Claire Liu

Source: https://tennis-db.com/wta/matches/balldontlie_wta:16441156/mary-stoiana-vs-claire-liu
Tour: WTA

Mary Stoiana defeated Claire Liu 6-3 7-5 in the 2026 São Paulo Open first round on hard courts on September 16, 2026.

## Match
- Score: 6-3 7-5
- Tournament: São Paulo Open
- Season: 2026
- Round: Round of 32
- Surface: Hard
- Date: 2026-09-16

## Player comparison
| Field | Mary Stoiana | Claire Liu |
| :--- | ---: | ---: |
| Country | USA | USA |
| Birth date | 2003-05-06 | 2000-05-25 |
| Age | 23 | 26 |
| Height | - | 170 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | - | Two-Handed Backhand |
| Ranking (entering) | 116 | 96 |
| Ranking points (entering) | 632 | 790 |
| Elo (entering) | 1656 | 1752 |
| Current career W-L | 2-6 | 44-65 |
| Current career earnings | $563,252 | $2,896,615 |

Pre-match H2H: Mary Stoiana 0-0 Claire Liu.

## Stats
| Stat | Mary Stoiana | Claire Liu |
| :--- | ---: | ---: |
| Aces | 0 | 3 |
| Double faults | 4 | 8 |
| 1st serve % | 53.5% | 53.4% |
| 1st serve points won % | 60.5% | 51.3% |
| 2nd serve points won % | 48.5% | 38.2% |
| BP saved % | 63.6% | 53.8% |
| BP converted % | 46.2% | 36.4% |
| Service points won % | 54.9% | 45.2% |
| Return points won % | 54.8% | 45.1% |
| Total points won % | 54.9% | 45.1% |
| Match Serve+ | -2.1 | -11.8 |
| Match Return+ | +11.8 | +2.0 |

Match Serve+ and Match Return+ compare this match with the WTA 2026 average from available match stats. Zero is average; +5 means five percentage points above average. No opponent adjustment.

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Canonical URL: https://tennis-db.com/wta/matches/balldontlie_wta:16441156/mary-stoiana-vs-claire-liu
Data source: TennisDB (tennis-db.com)