H2H data updated: 2026-09-13 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Whitney Osuigwe vs Nikola Bartunkova.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Nikola Bartunkova | 6-1 6-0 | Whitney Osuigwe | Match data | Jan 15, 2026 | Q3 | Australian Open | Grand Slam | Hard |
1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Whitney Osuigwe | #234 | #105 | 573 | 1,575 | 3 | 17 | 15.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Nikola Bartunkova | #34 | #34 | 1,417 | 1,841 | 24 | 18 | 57.1% | 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 | Whitney Osuigwe | Nikola Bartunkova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 2018 | 0–2 | 0.0% | #201 | 1,542 | 0 | 0 | 2022 | 0–1 | 0.0% | #315 | 1,472 | 0 | 0 |
| 17 | 2019 | 1–4 | 20.0% | #138 | 1,461 | 0 | 0 | 2023 | 1–1 | 50.0% | #294 | 1,480 | 0 | 0 |
| 18 | 2020 | 0–1 | 0.0% | #161 | 1,435 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2021 | 0–3 | 0.0% | #254 | 1,329 | 0 | 0 | 2025 | 3–3 | 50.0% | #129 | 1,551 | 0 | 0 |
| 20 | — | — | — | — | — | — | — | 2026 | 20–13 | 60.6% | #34 | 1,833 | 0 | 0 |
| 23 | 2025 | 1–4 | 20.0% | #158 | 1,405 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2026 | 1–3 | 25.0% | #234 | 1,531 | 0 | 0 | — | — | — | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Age | Whitney Osuigwe | Nikola Bartunkova | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 16 | 2018 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 2022 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 17 | 2019 | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — | 2023 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 18 | 2020 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2021 | 0 | 2 | 2 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 2025 | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — |
| 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 14 | 8 | 22 | 63.6% | 2 | 2 | 4 | 50.0% | 4 | 3 | 7 | 57.1% |
| 23 | 2025 | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2026 | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 3 | 16 | 19 | 15.8% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | 18 | 12 | 30 | 60.0% | 2 | 3 | 5 | 40.0% | 4 | 3 | 7 | 57.1% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 20/20 of Whitney Osuigwe's and 40/42 of Nikola Bartunkova's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.
| Age | Whitney Osuigwe | Nikola Bartunkova | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | |
| 16 | 2018 | 2/2 | 0.5 | 4.0 | 56.9% | 47.9% | 40.7% | 45.1% | 27.1% | 45.0% | 38.8% | 2022 | 1/1 | 0.0 | 5.0 | 58.0% | 44.8% | 28.6% | 14.3% | 100.0% | 38.0% | 37.0% |
| 17 | 2019 | 5/5 | 1.6 | 4.6 | 66.2% | 55.5% | 41.8% | 45.6% | 41.6% | 50.9% | 39.1% | 2023 | 2/2 | 3.0 | 4.0 | 56.0% | 64.7% | 47.3% | 60.2% | 50.0% | 56.9% | 44.3% |
| 18 | 2020 | 1/1 | 1.0 | 3.0 | 57.7% | 46.3% | 50.0% | 33.3% | 33.3% | 47.9% | 42.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 19 | 2021 | 3/3 | 1.0 | 4.7 | 71.0% | 40.3% | 28.9% | 28.0% | 38.9% | 36.6% | 38.9% | 2025 | 4/6 | 4.5 | 8.0 | 46.6% | 74.9% | 53.6% | 71.2% | 42.9% | 63.0% | 46.1% |
| 20 | — | —/— | — | — | — | — | — | — | — | — | — | 2026 | 33/33 | 4.4 | 4.2 | 52.9% | 67.5% | 45.7% | 54.1% | 49.6% | 57.4% | 42.3% |
| 23 | 2025 | 5/5 | 0.6 | 5.4 | 61.6% | 49.7% | 44.9% | 52.6% | 68.3% | 47.8% | 40.9% | — | —/— | — | — | — | — | — | — | — | — | — |
| 24 | 2026 | 4/4 | 1.0 | 3.3 | 67.7% | 57.8% | 47.5% | 51.2% | 45.6% | 55.0% | 36.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 20/20 | 1.0 | 4.4 | 64.7% | 51.0% | 42.1% | 45.1% | 46.8% | 48.1% | 39.1% | — | 40/42 | 4.2 | 4.6 | 52.5% | 67.5% | 46.1% | 55.1% | 50.2% | 57.5% | 42.6% |
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 | Whitney Osuigwe | Nikola Bartunkova | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2020 | 1471 | 97.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2021 | 1479 | 99.6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 16 | 2018 | 1542 | 99.9 | -1.43 | -1.13 | 0.706 | 41.7% | — | — | — | 0.0% | -3.75 | — | — | — | +0.17 | 2022 | 1473 | 101.1 | +2.10 | -0.94 | 0.596 | 37.5% | — | — | — | 0.0% | -3.50 | — | — | — | -0.06 |
| 17 | 2019 | 1462 | 111.9 | -0.68 | -0.38 | 0.796 | 45.1% | +3 | — | — | 27.3% | -1.73 | 0–1 | 1–2 (33%) | — | +0.14 | 2023 | 1480 | 102.5 | -0.51 | -1.39 | 1.027 | 50.7% | — | — | — | 60.0% | +0.60 | 0–1 | 0–1 | — | -0.10 |
| 18 | 2020 | 1435 | 92.3 | -0.73 | -1.86 | 0.807 | 45.0% | — | — | — | 0.0% | -2.50 | — | — | — | +0.06 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2021 | 1330 | 92.6 | -3.89 | -2.04 | 0.614 | 37.2% | — | — | — | 0.0% | -4.33 | — | — | — | +0.26 | 2025 | 1552 | 111.6 | +0.87 | +0.13 | 1.246 | 54.2% | +16 | — | — | 57.1% | +0.29 | 0–2 | 1–0 | — | +1.18 |
| 20 | 2022 | 1288 | 100.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1834 | 141.4 | +0.91 | +0.43 | 0.993 | 49.6% | -55 | -251 | -33 | 54.2% | +0.20 | 12–5 (71%) | 1–10 (9%) | 102.9 | -0.08 |
| 21 | 2023 | 1281 | 93.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2024 | 1343 | 94.8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2025 | 1406 | 110.7 | -4.15 | -0.76 | 0.784 | 44.6% | +9 | — | — | 20.0% | -2.10 | — | 0–1 | — | +0.23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2026 | 1531 | 111.3 | -1.64 | -2.96 | 0.809 | 45.9% | +7 | — | — | 30.0% | -1.10 | 1–1 | 0–1 | — | +0.33 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1575 | 105.3 | -2.30 | -1.39 | 0.753 | 43.6% | +6 | — | — | 18.6% | -2.26 | 1–2 (33%) | 1–4 (20%) | 96.8 | +5.95 | — | 1842 | 131.3 | +0.86 | +0.27 | 1.003 | 49.8% | -40 | -251 | -33 | 53.8% | +0.16 | 12–8 (60%) | 2–11 (15%) | 100.2 | +2.24 |
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 |
|---|---|---|---|---|---|
| Hailey Baptiste | 0 | 2 | 2 | Jul 28, 2025 | H2H |
| Maya Joint | 0 | 1 | 1 | Jul 27, 2026 | H2H |
| Rebeka Masarova | 0 | 1 | 1 | Feb 25, 2026 | H2H |
| Elizabeth Mandlik | 1 | 0 | 1 | Feb 23, 2026 | H2H |
| Sofia Costoulas | 0 | 1 | 1 | Jan 5, 2026 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Elise Mertens | 1 | 2 | 3 | Aug 29, 2026 | H2H |
| Darja Vidmanova | 2 | 0 | 2 | Aug 27, 2026 | H2H |
| Mirra Andreeva | 0 | 1 | 1 | Sep 5, 2026 | H2H |
| Tatjana Maria | 1 | 0 | 1 | Sep 3, 2026 | H2H |
| Mayar Sherif | 1 | 0 | 1 | Sep 2, 2026 | H2H |