Kimberly Birrell
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Donna Vekic | 2 | 2 | 4 | Oct 31, 2025 | H2H |
| Petra Marcinko | 2 | 1 | 3 | Aug 30, 2026 | H2H |
| Ann Li | 0 | 3 | 3 | Jun 16, 2026 | H2H |
| Victoria Mboko | 0 | 3 | 3 | Mar 6, 2026 | H2H |
| Anastasia Potapova | 3 | 0 | 3 | Jan 13, 2026 | H2H |
H2H data updated: 2026-10-28 00:00 UTC
Kimberly Birrell vs Nikola Bartunkova H2H: 1-0
Kimberly Birrell holds a 1–0 lead over Nikola Bartunkova in their WTA head-to-head. Across 1 main-draw meeting, Kimberly Birrell leads 1–0 on hard courts. Most recently, Kimberly Birrell won the 2025 Chennai Open first round 1-6 6-1 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.
H2H
1
–
0
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Kimberly Birrell | 1-6 6-1 6-3 | Nikola Bartunkova | Match data | Oct 29, 2025 | R32 | Chennai 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.
Career Comparison
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kimberly Birrell | #41 | #40 | 1,280 | 1,841 | 55 | 65 | 45.8% | 0 | 0 | 0 | 0 | 1 | 1 |
| Nikola Bartunkova | #29 | #29 | 1,711 | 1,910 | 29 | 21 | 58.0% | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
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 | Kimberly Birrell | Nikola Bartunkova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | — | — | — | — | — | — | — | 2022 | 0–1 | 0.0% | #315 | 1,472 | 0 | 0 |
| 17 | — | — | — | — | — | — | — | 2023 | 1–1 | 50.0% | #294 | 1,480 | 0 | 0 |
| 18 | 2016 | 1–2 | 33.3% | #516 | 1,508 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | — | — | — | — | — | — | — | 2025 | 3–3 | 50.0% | #129 | 1,552 | 0 | 0 |
| 20 | — | — | — | — | — | — | — | 2026 | 25–16 | 61.0% | #29 | 1,870 | 0 | 0 |
| 21 | 2019 | 3–2 | 60.0% | #250 | 1,516 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2021 | 2–3 | 40.0% | #741 | 1,518 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2022 | 1–1 | 50.0% | #174 | 1,486 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2023 | 8–10 | 44.4% | #115 | 1,557 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 2024 | 7–8 | 46.7% | #113 | 1,688 | 0 | 0 | — | — | — | — | — | — | — |
| 27 | 2025 | 15–19 | 44.1% | #98 | 1,695 | 0 | 0 | — | — | — | — | — | — | — |
| 28 | 2026 | 18–20 | 47.4% | #41 | 1,750 | 0 | 1 | — | — | — | — | — | — | — |
Advanced Statistics Comparison by Age
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 | Kimberly Birrell | 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2022 | 1473 | 101.1 | +2.10 | -0.94 | 0.596 | 37.5% | — | — | — | 0.0% | -3.50 | — | — | — | -0.06 |
| 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 1480 | 102.5 | -0.51 | -1.39 | 1.027 | 50.7% | — | — | — | 60.0% | +0.60 | 0–1 | 0–1 | — | -0.10 |
| 18 | 2016 | 1509 | 103.2 | -0.55 | -0.09 | 0.637 | 40.5% | +9 | — | — | 33.3% | -1.67 | — | — | — | -0.35 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1553 | 111.6 | +0.87 | +0.13 | 1.246 | 54.2% | +16 | — | — | 57.1% | +0.29 | 0–2 | 1–0 | — | +1.15 |
| 20 | 2018 | 1476 | 98.5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1871 | 148.1 | +2.05 | +0.59 | 1.023 | 50.2% | -35 | -291 | -67 | 54.9% | +0.31 | 14–6 (70%) | 3–11 (21%) | 103.9 | -0.33 |
| 21 | 2019 | 1516 | 110.7 | -0.48 | -1.55 | 0.850 | 46.8% | +33 | — | — | 50.0% | -0.33 | 2–0 | 1–0 | — | -0.02 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2021 | 1518 | 104.1 | -2.12 | -0.93 | 0.929 | 49.0% | +30 | — | — | 36.4% | -1.09 | 1–0 | 0–1 | — | +0.48 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2022 | 1486 | 95.4 | -2.40 | +1.40 | 0.815 | 45.9% | — | — | — | 40.0% | -1.40 | 1–0 | — | — | +0.14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2023 | 1557 | 123.2 | -1.73 | +1.11 | 1.007 | 50.1% | +43 | -88 | — | 46.2% | -0.08 | 1–2 (33%) | 3–2 (60%) | 100.5 | +0.87 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2024 | 1689 | 122.0 | +0.40 | -1.41 | 0.962 | 49.5% | +9 | — | -77 | 43.3% | -0.43 | 1–1 | 0–4 (0%) | — | +0.83 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2025 | 1696 | 132.6 | -1.79 | -2.59 | 0.866 | 46.9% | +37 | -276 | -80 | 45.0% | -0.34 | 6–6 (50%) | 5–6 (45%) | 97.7 | -0.34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2026 | 1751 | 137.3 | -1.07 | +0.39 | 0.967 | 49.3% | +33 | -328 | -98 | 47.9% | -0.20 | 9–9 (50%) | 5–8 (38%) | 98.1 | -0.65 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1842 | 129.5 | -1.12 | -0.41 | 0.934 | 48.6% | +31 | -231 | -87 | 45.5% | -0.34 | 21–18 (54%) | 14–21 (40%) | 98.1 | +0.80 | — | 1911 | 137.5 | +1.85 | +0.44 | 1.027 | 50.3% | -27 | -291 | -67 | 54.5% | +0.26 | 14–9 (61%) | 4–12 (25%) | 101.3 | +1.32 |
Career Rivalries
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
Nikola Bartunkova
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Elise Mertens | 1 | 2 | 3 | Aug 29, 2026 | H2H |
| Mirra Andreeva | 0 | 2 | 2 | Oct 10, 2026 | H2H |
| Aryna Sabalenka | 1 | 1 | 2 | Oct 4, 2026 | H2H |
| Magdalena Frech | 2 | 0 | 2 | Oct 2, 2026 | H2H |
| Darja Vidmanova | 2 | 0 | 2 | Aug 27, 2026 | H2H |