Mary Stoiana
- Country
- United States
- Date of birth
- 2003-05-06
- Ranking WTA
- 115 · 666 points
- Live ranking
- 110 · 666 points
- Ranking WTA (doubles)
- 253 · 327 points
- Season 2026
- 25–19; doubles 1–2
Recent matches
| Date | Tournament | Round | Opponent | Score | Result |
|---|---|---|---|---|---|
| 2026-09-18 | Sao Paulo | QF | Paula Badosa | 4-6 2-6 | lost |
| 2026-09-18 | Sao Paulo | QF | Yiming Dang / Xiaodi You (with Vendula Valdmannova) | 6-4 3-6 0-1(7) | lost |
| 2026-09-17 | Sao Paulo | R2 | Dominika Salkova | 7-6(5) 6-1 | won |
| 2026-09-16 | Sao Paulo | R1 | Ekaterina Ovcharenko / Laura Pigossi (with Vendula Valdmannova) | 6-3 6-1 | won |
| 2026-09-16 | Sao Paulo | R1 | Claire Liu | 6-3 7-5 | won |
| 2026-09-10 | Barranquilla | R2 | Julia Riera | 6-4 6-7(7) 3-6 | lost |
| 2026-09-09 | Barranquilla | R1 | Jazmin Ortenzi | 6-3 6-2 | won |
| 2026-09-02 | Us Open | R1 | Alexandra Eala | 1-6 2-6 | lost |
| 2026-08-28 | Us Open | Yue Yuan | 6-3 4-6 6-4 | won | |
| 2026-08-26 | Us Open | Katie Swan | 6-7(7) 6-3 6-3 | won | |
| 2026-08-25 | Us Open | Harmony Tan | 6-4 6-3 | won | |
| 2026-08-14 | Cincinnati | R1 | Tereza Valentova | 2-6 6-7(4) | lost |
| 2026-08-13 | Cincinnati | R2 | Oksana Selekhmeteva | 6-0 5-7 6-4 | won |
| 2026-08-11 | Cincinnati | R1 | Veronika Erjavec | 6-2 7-6(3) | won |
| 2026-08-01 | Montreal | R1 | Alina Korneeva | 6-2 4-6 3-6 | lost |
| 2026-07-28 | Memphis | R1 | Peyton Stearns | 7-6(5) 0-6 4-6 | lost |
| 2026-07-10 | Newport | QF | Mananchaya Sawangkaew | 6-3 2-6 5-7 | lost |
| 2026-07-09 | Newport | R2 | Iryna Shymanovich | 3-6 6-2 6-3 | won |
| 2026-07-08 | Newport | R1 | Katrina Scott | 6-2 6-2 | won |
| 2026-06-24 | Wimbledon | Mananchaya Sawangkaew | 6-2 4-6 5-7 | lost | |
| 2026-06-23 | Wimbledon | Kayla Cross | 6-3 6-4 | won | |
| 2026-06-13 | Ilkley | SF | Celine Naef | 6-1 3-6 4-6 | lost |
| 2026-06-12 | Ilkley | QF | Tatiana Prozorova | 7-5 6-1 | won |
| 2026-06-11 | Ilkley | R2 | Lulu Sun | 6-2 6-3 | won |
| 2026-06-09 | Ilkley | R1 | Kayla Day | 7-5 6-4 | won |
| 2026-06-05 | Birmingham | QF | Rebeka Masarova | 4-6 6-3 0-6 | lost |
| 2026-06-04 | Birmingham | R2 | Celine Naef | 7-5 2-6 7-6(5) | won |
| 2026-06-01 | Birmingham | R1 | Lulu Sun | 4-6 7-6(8) 6-2 | won |
| 2026-05-21 | Roland Garros | Ashlyn Krueger | 3-6 1-6 | lost | |
| 2026-05-20 | Roland Garros | Matilde Jorge | 6-4 6-4 | won |