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: 2026-09-13 00:00 UTC
Kimberly Birrell vs Ellen Perez
Compare the head-to-head record, career totals, season-by-season performance, and match log for Kimberly Birrell vs Ellen Perez.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
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0 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Ellen Perez | 6-3 6-3 | Kimberly Birrell | Match data | Jun 9, 2019 | Q1 | Nottingham Open | International → modern equivalent WTA 250 | Grass |
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.
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 | #71 | #60 | 999 | 1,834 | 48 | 62 | 43.6% | 0 | 0 | 0 | 0 | 0 | 0 |
| Ellen Perez | #892 | #162 | 377 | 1,533 | 1 | 14 | 6.7% | 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 | Ellen Perez | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 2016 | 1–2 | 33.3% | #516 | 1,508 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | — | — | — | — | — | — | — | 2016 | 0–1 | 0.0% | #634 | 1,489 | 0 | 0 |
| 21 | 2019 | 3–2 | 60.0% | #250 | 1,516 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | 2018 | 1–1 | 50.0% | #177 | 1,520 | 0 | 0 |
| 23 | 2021 | 2–3 | 40.0% | #741 | 1,517 | 0 | 0 | 2019 | 0–3 | 0.0% | #249 | 1,503 | 0 | 0 |
| 24 | 2022 | 1–1 | 50.0% | #174 | 1,486 | 0 | 0 | 2020 | 0–3 | 0.0% | #235 | 1,525 | 0 | 0 |
| 25 | 2023 | 8–10 | 44.4% | #115 | 1,557 | 0 | 0 | 2021 | 0–2 | 0.0% | #196 | 1,432 | 0 | 0 |
| 26 | 2024 | 7–8 | 46.7% | #113 | 1,688 | 0 | 0 | 2022 | 0–3 | 0.0% | #364 | 1,448 | 0 | 0 |
| 27 | 2025 | 14–18 | 43.8% | #98 | 1,678 | 0 | 0 | 2023 | 0–1 | 0.0% | #501 | 1,433 | 0 | 0 |
| 28 | 2026 | 12–18 | 40.0% | #71 | 1,695 | 0 | 0 | — | — | — | — | — | — | — |
Surface Results by Age
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 | Kimberly Birrell | Ellen Perez | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 18 | 2016 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 21 | 2019 | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 23 | 2021 | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | 2019 | 0 | 2 | 2 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 24 | 2022 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 2020 | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — |
| 25 | 2023 | 6 | 7 | 13 | 46.2% | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% | 2021 | 0 | 1 | 1 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 26 | 2024 | 5 | 7 | 12 | 41.7% | — | — | — | — | 2 | 1 | 3 | 66.7% | 2022 | 0 | 3 | 3 | 0.0% | — | — | — | — | — | — | — | — |
| 27 | 2025 | 13 | 12 | 25 | 52.0% | 0 | 3 | 3 | 0.0% | 1 | 3 | 4 | 25.0% | 2023 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 28 | 2026 | 9 | 12 | 21 | 42.9% | 1 | 2 | 3 | 33.3% | 2 | 4 | 6 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 40 | 46 | 86 | 46.5% | 2 | 7 | 9 | 22.2% | 6 | 9 | 15 | 40.0% | — | 1 | 10 | 11 | 9.1% | 0 | 2 | 2 | 0.0% | 0 | 2 | 2 | 0.0% |
Performance Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 93/111 of Kimberly Birrell's and 15/15 of Ellen Perez'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 | Kimberly Birrell | Ellen Perez | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | |
| 18 | 2016 | 3/3 | 2.0 | 2.0 | 62.8% | 47.3% | 53.1% | 47.6% | 50.0% | 50.4% | 31.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | — | —/— | — | — | — | — | — | — | — | — | — | 2016 | 1/1 | 2.0 | 5.0 | 36.8% | 42.9% | 33.3% | 16.7% | 0.0% | 36.8% | 27.7% |
| 21 | 2019 | 5/5 | 2.6 | 4.8 | 62.8% | 63.4% | 36.3% | 60.9% | 38.9% | 53.5% | 39.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | — | —/— | — | — | — | — | — | — | — | — | — | 2018 | 2/2 | 2.0 | 1.5 | 66.4% | 59.7% | 51.4% | 67.8% | 50.0% | 56.8% | 35.9% |
| 23 | 2021 | 5/5 | 2.6 | 3.6 | 64.2% | 63.4% | 42.2% | 53.1% | 44.5% | 55.8% | 41.1% | 2019 | 3/3 | 3.3 | 2.7 | 59.0% | 57.8% | 36.9% | 43.1% | 37.6% | 49.3% | 33.1% |
| 24 | 2022 | 2/2 | 1.5 | 8.0 | 56.7% | 55.4% | 42.7% | 42.3% | 23.2% | 49.9% | 40.8% | 2020 | 3/3 | 2.7 | 6.3 | 48.3% | 55.8% | 53.7% | 48.0% | 29.0% | 55.1% | 36.7% |
| 25 | 2023 | 18/18 | 1.6 | 4.4 | 60.7% | 62.1% | 44.2% | 52.1% | 49.4% | 55.1% | 45.2% | 2021 | 2/2 | 1.0 | 3.5 | 56.5% | 49.8% | 48.6% | 52.8% | 8.3% | 49.2% | 38.2% |
| 26 | 2024 | 15/15 | 2.2 | 3.5 | 64.0% | 63.3% | 47.4% | 52.6% | 48.1% | 57.6% | 40.8% | 2022 | 3/3 | 1.0 | 5.0 | 55.5% | 48.7% | 43.8% | 42.9% | 35.6% | 46.7% | 36.5% |
| 27 | 2025 | 17/32 | 2.1 | 6.4 | 59.2% | 64.9% | 40.0% | 53.6% | 42.7% | 54.7% | 39.2% | 2023 | 1/1 | 1.0 | 1.0 | 58.0% | 44.8% | 33.3% | 33.3% | 100.0% | 40.0% | 38.0% |
| 28 | 2026 | 28/31 | 1.9 | 5.8 | 63.5% | 62.5% | 40.7% | 48.0% | 56.5% | 54.5% | 41.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 93/111 | 2.0 | 5.0 | 62.1% | 62.5% | 42.6% | 51.4% | 48.7% | 54.9% | 41.2% | — | 15/15 | 2.0 | 3.9 | 55.3% | 52.9% | 44.7% | 46.2% | 34.9% | 49.5% | 35.5% |
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 | Ellen Perez | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 18 | 2016 | 1509 | 103.2 | -0.55 | -0.09 | 0.637 | 40.5% | +9 | — | — | 33.3% | -1.67 | — | — | — | -0.35 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2018 | 1476 | 98.5 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1489 | 96.7 | -0.30 | -2.35 | 0.438 | 31.8% | — | — | — | 0.0% | -5.00 | — | — | — | +0.04 |
| 21 | 2019 | 1516 | 110.7 | -0.48 | -1.55 | 0.850 | 46.8% | +33 | — | — | 50.0% | -0.33 | 2–0 | 1–0 | — | -0.02 | 2017 | 1496 | 103.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | 1520 | 107.2 | -1.40 | +1.85 | 0.831 | 47.6% | — | — | — | 0.0% | -3.00 | — | 0–1 | — | +0.05 |
| 23 | 2021 | 1518 | 104.1 | -2.12 | -0.93 | 0.929 | 49.0% | +30 | — | — | 36.4% | -1.09 | 1–0 | 0–1 | — | +0.48 | 2019 | 1504 | 102.8 | -2.70 | -3.60 | 0.652 | 41.7% | — | — | — | 14.3% | -2.43 | 0–1 | — | — | +0.07 |
| 24 | 2022 | 1486 | 95.4 | -2.40 | +1.40 | 0.815 | 45.9% | — | — | — | 40.0% | -1.40 | 1–0 | — | — | +0.14 | 2020 | 1526 | 106.9 | -0.14 | -1.53 | 0.818 | 45.6% | — | — | — | 14.3% | -2.29 | 0–1 | 1–1 | — | +0.15 |
| 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 | 2021 | 1433 | 92.2 | +1.29 | -1.18 | 0.752 | 44.0% | — | — | — | 0.0% | -4.00 | — | — | — | +0.34 |
| 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 | 2022 | 1448 | 106.4 | -2.66 | -1.35 | 0.685 | 41.7% | +44 | — | — | 14.3% | -2.14 | 0–1 | — | — | +0.21 |
| 27 | 2025 | 1679 | 134.0 | -1.71 | -2.60 | 0.866 | 46.9% | +54 | -259 | -143 | 44.7% | -0.36 | 6–6 (50%) | 5–6 (45%) | 97.7 | -0.02 | 2023 | 1434 | 98.6 | -1.13 | -0.38 | 0.633 | 39.0% | — | — | — | 0.0% | -4.00 | — | — | — | 0.00 |
| 28 | 2026 | 1695 | 133.4 | -1.46 | -0.89 | 0.908 | 48.1% | +45 | -271 | -78 | 42.7% | -0.55 | 7–8 (47%) | 3–7 (30%) | 96.3 | -0.67 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1425 | 99.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1421 | 98.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1835 | 128.4 | -1.23 | -0.86 | 0.914 | 48.2% | +39 | -206 | -98 | 43.7% | -0.46 | 19–17 (53%) | 12–20 (38%) | 96.8 | +1.15 | — | 1533 | 103.1 | -1.21 | -1.39 | 0.703 | 42.7% | +44 | — | — | 10.3% | -2.76 | 0–3 (0%) | 1–2 (33%) | 95.2 | +5.73 |
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.
Ellen Perez
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Anhelina Kalinina | 0 | 1 | 1 | Oct 12, 2023 | H2H |
| Madison Keys | 0 | 1 | 1 | Oct 13, 2022 | H2H |
| Xinyu Wang | 0 | 1 | 1 | Sep 22, 2022 | H2H |
| Nuria Parrizas Diaz | 0 | 1 | 1 | Jan 6, 2022 | H2H |
| Clara Burel | 0 | 1 | 1 | Jun 30, 2021 | H2H |