# Katerina Siniakova def. Mary Stoiana

Source: https://tennis-db.com/wta/matches/balldontlie_wta:18821464/katerina-siniakova-vs-mary-stoiana
Tour: WTA

Katerina Siniakova defeated Mary Stoiana 6-1 6-2 in the 2026 Japan Women's Open quarterfinal on hard courts on October 23, 2026.

## Match
- Score: 6-1 6-2
- Tournament: Japan Women's Open
- Season: 2026
- Round: Quarterfinals
- Surface: Hard
- Date: 2026-10-23

## Player comparison
| Field | Katerina Siniakova | Mary Stoiana |
| :--- | ---: | ---: |
| Country | CZE | USA |
| Birth date | 1996-05-10 | 2003-05-06 |
| Age | 30 | 23 |
| Height | 174 cm | - |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | Two-Handed Backhand | - |
| Ranking (entering) | 86 | 114 |
| Ranking points (entering) | 865 | 666 |
| Elo (entering) | 1833 | 1722 |
| Current career W-L | 232-248 | 4-7 |
| Current career earnings | $18,238,169 | $573,146 |

Pre-match H2H: Katerina Siniakova 0-0 Mary Stoiana.

## Stats
| Stat | Katerina Siniakova | Mary Stoiana |
| :--- | ---: | ---: |
| Aces | 0 | 1 |
| Double faults | 3 | 1 |
| 1st serve % | 71.7% | 80.5% |
| 1st serve points won % | 76.3% | 51.5% |
| 2nd serve points won % | 46.7% | 25.0% |
| BP saved % | 100.0% | 50.0% |
| BP converted % | 50.0% | 0.0% |
| Service points won % | 67.9% | 46.3% |
| Return points won % | 53.7% | 32.1% |
| Total points won % | 61.7% | 38.3% |
| Match Serve+ | +11.0 | -10.6 |
| Match Return+ | +10.6 | -11.0 |

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:18821464/katerina-siniakova-vs-mary-stoiana
Data source: TennisDB (tennis-db.com)