H2H data updated: 2026-10-21 00:00 UTC
Mary Stoiana holds a 1–0 lead over Oleksandra Oliynykova in their WTA head-to-head. Across 1 main-draw meeting, Mary Stoiana leads 1–0 on hard courts. Most recently, Mary Stoiana won the 2026 Japan Women's Open first round 6-2 6-3.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Mary Stoiana | 6-2 6-3 | Oleksandra Oliynykova | Match data | Oct 20, 2026 | R32 | Japan Women's Open | WTA 250 | Hard |
Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oleksandra Oliynykova | #62 | #41 | 1,191 | 1,804 | 18 | 18 | 50.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Mary Stoiana | #114 | #114 | 666 | 1,711 | 3 | 6 | 33.3% | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Oleksandra Oliynykova | Mary Stoiana | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 23 | — | — | — | — | — | — | — | 2026 | 3–6 | 33.3% | #114 | 1,711 | 0 | 0 |
| 25 | 2026 | 18–18 | 50.0% | #62 | 1,689 | 0 | 0 | — | — | — | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Oleksandra Oliynykova | Mary Stoiana | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1487 | 97.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2023 | 1499 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1513 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2024 | 1502 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1711 | 117.0 | -1.82 | -1.00 | 0.927 | 48.7% | -34 | — | — | 42.9% | -0.71 | 0–3 (0%) | 2–1 (67%) | 97.1 | -0.63 |
| 24 | 2025 | 1715 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2026 | 1689 | 121.5 | -4.00 | +1.23 | 0.919 | 48.0% | -134 | +171 | — | 50.6% | -0.40 | 6–3 (67%) | 5–4 (56%) | 101.6 | +0.58 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1804 | 117.8 | -4.00 | +1.23 | 0.919 | 48.0% | -134 | +171 | — | 50.6% | -0.40 | 6–3 (67%) | 5–4 (56%) | 101.6 | +1.66 | — | 1711 | 112.8 | -1.82 | -1.00 | 0.927 | 48.7% | -34 | — | — | 42.9% | -0.71 | 0–3 (0%) | 2–1 (67%) | 97.1 | -7.00 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Mayar Sherif | 2 | 1 | 3 | Aug 24, 2026 | H2H |
| Alexandra Eala | 1 | 1 | 2 | Sep 3, 2026 | H2H |
| Elena Pridankina | 2 | 0 | 2 | Jul 16, 2026 | H2H |
| Anna Bondar | 1 | 1 | 2 | Apr 16, 2026 | H2H |
| Mary Stoiana | 0 | 1 | 1 | Oct 20, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Oleksandra Oliynykova | 1 | 0 | 1 | Oct 20, 2026 | H2H |
| Paula Badosa | 0 | 1 | 1 | Sep 18, 2026 | H2H |
| Dominika Salkova | 1 | 0 | 1 | Sep 17, 2026 | H2H |
| Claire Liu | 1 | 0 | 1 | Sep 16, 2026 | H2H |
| Alexandra Eala | 0 | 1 | 1 | Sep 2, 2026 | H2H |