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: 2026-09-12 00:00 UTC
Kimberly Birrell vs Bernarda Pera H2H: 0-1
Bernarda Pera holds a 1–0 lead over Kimberly Birrell in their WTA head-to-head. Across 1 main-draw meeting, Bernarda Pera leads 1–0 on clay. Most recently, Bernarda Pera won the 2023 Strasbourg Open second round 6-4 6-4.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
0
–
1
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Bernarda Pera | 6-4 6-4 | Kimberly Birrell | Match data | May 25, 2023* | R16 | Strasbourg Open | WTA 250 | Clay |
Estimated match date where the exact historical date is unavailable. 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 |
| Bernarda Pera | #314 | #27 | 1,519 | 1,836 | 96 | 126 | 43.2% | 0 | 0 | 0 | 0 | 2 | 2 |
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 | Bernarda Pera | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — |
| 21 | 2019 | 3–2 | 60.0% | #250 | 1,516 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | 2017 | 0–1 | 0.0% | #127 | 1,514 | 0 | 0 |
| 23 | 2021 | 2–3 | 40.0% | #741 | 1,517 | 0 | 0 | 2018 | 13–13 | 50.0% | #69 | 1,637 | 0 | 0 |
| 24 | 2022 | 1–1 | 50.0% | #174 | 1,486 | 0 | 0 | 2019 | 15–16 | 48.4% | #66 | 1,689 | 0 | 0 |
| 25 | 2023 | 8–10 | 44.4% | #115 | 1,557 | 0 | 0 | 2020 | 5–10 | 33.3% | #62 | 1,668 | 0 | 0 |
| 26 | 2024 | 7–8 | 46.7% | #113 | 1,688 | 0 | 0 | 2021 | 10–21 | 32.3% | #93 | 1,628 | 0 | 0 |
| 27 | 2025 | 14–18 | 43.8% | #98 | 1,678 | 0 | 0 | 2022 | 15–10 | 60.0% | #44 | 1,754 | 0 | 2 |
| 28 | 2026 | 12–18 | 40.0% | #71 | 1,695 | 0 | 0 | 2023 | 19–21 | 47.5% | #65 | 1,687 | 0 | 2 |
| 29 | — | — | — | — | — | — | — | 2024 | 12–19 | 38.7% | #71 | 1,763 | 0 | 2 |
| 30 | — | — | — | — | — | — | — | 2025 | 7–15 | 31.8% | #157 | 1,655 | 0 | 2 |
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 | Bernarda Pera | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2019 | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | 2021 | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | 2018 | 7 | 8 | 15 | 46.7% | 6 | 4 | 10 | 60.0% | 0 | 1 | 1 | 0.0% |
| 24 | 2022 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 2019 | 5 | 10 | 15 | 33.3% | 9 | 4 | 13 | 69.2% | 1 | 2 | 3 | 33.3% |
| 25 | 2023 | 6 | 7 | 13 | 46.2% | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% | 2020 | 4 | 7 | 11 | 36.4% | 1 | 3 | 4 | 25.0% | — | — | — | — |
| 26 | 2024 | 5 | 7 | 12 | 41.7% | — | — | — | — | 2 | 1 | 3 | 66.7% | 2021 | 6 | 11 | 17 | 35.3% | 4 | 8 | 12 | 33.3% | 0 | 2 | 2 | 0.0% |
| 27 | 2025 | 13 | 12 | 25 | 52.0% | 0 | 3 | 3 | 0.0% | 1 | 3 | 4 | 25.0% | 2022 | 4 | 7 | 11 | 36.4% | 11 | 2 | 13 | 84.6% | 0 | 1 | 1 | 0.0% |
| 28 | 2026 | 9 | 12 | 21 | 42.9% | 1 | 2 | 3 | 33.3% | 2 | 4 | 6 | 33.3% | 2023 | 8 | 11 | 19 | 42.1% | 10 | 7 | 17 | 58.8% | 1 | 3 | 4 | 25.0% |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 7 | 13 | 20 | 35.0% | 3 | 4 | 7 | 42.9% | 2 | 2 | 4 | 50.0% |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 3 | 9 | 12 | 25.0% | 3 | 4 | 7 | 42.9% | 1 | 2 | 3 | 33.3% |
| Career | — | 40 | 46 | 86 | 46.5% | 2 | 7 | 9 | 22.2% | 6 | 9 | 15 | 40.0% | — | 44 | 77 | 121 | 36.4% | 47 | 36 | 83 | 56.6% | 5 | 13 | 18 | 27.8% |
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 213/222 of Bernarda Pera'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 | Bernarda Pera | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2019 | 5/5 | 2.6 | 4.8 | 62.8% | 63.4% | 36.3% | 60.9% | 38.9% | 53.5% | 39.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | — | —/— | — | — | — | — | — | — | — | — | — | 2017 | 1/1 | 3.0 | 9.0 | 55.7% | 53.7% | 32.6% | 30.8% | 40.0% | 44.3% | 50.0% |
| 23 | 2021 | 5/5 | 2.6 | 3.6 | 64.2% | 63.4% | 42.2% | 53.1% | 44.5% | 55.8% | 41.1% | 2018 | 25/26 | 3.2 | 5.0 | 60.4% | 64.4% | 47.6% | 55.8% | 46.9% | 57.8% | 42.1% |
| 24 | 2022 | 2/2 | 1.5 | 8.0 | 56.7% | 55.4% | 42.7% | 42.3% | 23.2% | 49.9% | 40.8% | 2019 | 30/31 | 3.0 | 4.0 | 61.8% | 66.4% | 48.8% | 58.7% | 51.6% | 59.7% | 42.8% |
| 25 | 2023 | 18/18 | 1.6 | 4.4 | 60.7% | 62.1% | 44.2% | 52.1% | 49.4% | 55.1% | 45.2% | 2020 | 15/15 | 3.5 | 6.7 | 58.9% | 65.8% | 38.0% | 52.4% | 46.1% | 54.5% | 41.2% |
| 26 | 2024 | 15/15 | 2.2 | 3.5 | 64.0% | 63.3% | 47.4% | 52.6% | 48.1% | 57.6% | 40.8% | 2021 | 31/31 | 2.6 | 5.6 | 60.3% | 61.5% | 44.2% | 55.3% | 47.7% | 54.7% | 44.1% |
| 27 | 2025 | 17/32 | 2.1 | 6.4 | 59.2% | 64.9% | 40.0% | 53.6% | 42.7% | 54.7% | 39.2% | 2022 | 25/25 | 2.5 | 3.8 | 62.7% | 66.9% | 46.2% | 53.1% | 49.5% | 59.5% | 45.1% |
| 28 | 2026 | 28/31 | 1.9 | 5.8 | 63.5% | 62.5% | 40.7% | 48.0% | 56.5% | 54.5% | 41.3% | 2023 | 40/40 | 3.7 | 5.6 | 62.4% | 61.8% | 45.2% | 54.8% | 49.4% | 55.6% | 41.5% |
| 29 | — | —/— | — | — | — | — | — | — | — | — | — | 2024 | 31/31 | 4.0 | 5.2 | 60.2% | 63.7% | 42.2% | 59.0% | 46.1% | 55.4% | 41.1% |
| 30 | — | —/— | — | — | — | — | — | — | — | — | — | 2025 | 15/22 | 4.9 | 4.7 | 61.4% | 64.2% | 44.7% | 58.0% | 41.9% | 56.5% | 37.8% |
| Career | — | 93/111 | 2.0 | 5.0 | 62.1% | 62.5% | 42.6% | 51.4% | 48.7% | 54.9% | 41.2% | — | 213/222 | 3.4 | 5.1 | 61.1% | 64.0% | 44.9% | 55.9% | 47.9% | 56.7% | 42.3% |
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 | Bernarda Pera | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2019 | 1516 | 110.7 | -0.48 | -1.55 | 0.850 | 46.8% | +33 | — | — | 50.0% | -0.33 | 2–0 | 1–0 | — | -0.02 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 1515 | 107.6 | +2.02 | -2.32 | 0.898 | 47.1% | — | — | — | 33.3% | -2.00 | 0–1 | — | — | -0.08 |
| 23 | 2021 | 1518 | 104.1 | -2.12 | -0.93 | 0.929 | 49.0% | +30 | — | — | 36.4% | -1.09 | 1–0 | 0–1 | — | +0.48 | 2018 | 1638 | 128.8 | +0.83 | +0.08 | 0.998 | 50.0% | -32 | +7 | — | 50.8% | -0.16 | 4–5 (44%) | 4–3 (57%) | 101.0 | +0.74 |
| 24 | 2022 | 1486 | 95.4 | -2.40 | +1.40 | 0.815 | 45.9% | — | — | — | 40.0% | -1.40 | 1–0 | — | — | +0.14 | 2019 | 1689 | 125.8 | +2.00 | +0.03 | 1.060 | 51.5% | -57 | +19 | -78 | 49.3% | +0.49 | 6–7 (46%) | 1–9 (10%) | 94.5 | +0.54 |
| 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 | 2020 | 1668 | 133.5 | -1.33 | -0.42 | 0.907 | 48.0% | -7 | +1 | — | 41.7% | -0.67 | 1–5 (17%) | 3–4 (43%) | 95.6 | -1.35 |
| 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 | 2021 | 1628 | 127.6 | -0.76 | +0.63 | 0.974 | 49.5% | -20 | +57 | — | 40.8% | -0.40 | 3–11 (21%) | 2–4 (33%) | 91.2 | -0.35 |
| 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 | 2022 | 1755 | 137.7 | +1.79 | +1.65 | 1.114 | 52.2% | -115 | +194 | — | 61.1% | +0.89 | 1–3 (25%) | 0–1 | — | -1.74 |
| 28 | 2026 | 1695 | 133.4 | -1.46 | -0.89 | 0.908 | 48.1% | +45 | -270 | -78 | 42.7% | -0.55 | 7–8 (47%) | 3–7 (30%) | 96.3 | -0.67 | 2023 | 1688 | 128.1 | -0.35 | -1.25 | 0.936 | 48.8% | -60 | +196 | -214 | 46.3% | -0.42 | 9–6 (60%) | 8–6 (57%) | 103.1 | +0.43 |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1764 | 134.0 | -0.69 | -1.42 | 0.922 | 48.2% | -26 | +78 | -94 | 42.5% | -0.66 | 6–7 (46%) | 3–3 (50%) | 98.8 | -0.98 |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1655 | 126.5 | -0.58 | -3.69 | 0.870 | 47.7% | +15 | +76 | -55 | 36.0% | -0.64 | 2–4 (33%) | 3–6 (33%) | 93.8 | -0.84 |
| 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1639 | 100.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | 1837 | 134.7 | +0.19 | -0.44 | 0.975 | 49.6% | -37 | +96 | -117 | 46.1% | -0.20 | 32–49 (40%) | 24–36 (40%) | 89.0 | -1.64 |
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.
Bernarda Pera
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Caroline Garcia | 4 | 1 | 5 | May 26, 2025 | H2H |
| Elisabetta Cocciaretto | 2 | 2 | 4 | Jun 11, 2025 | H2H |
| Katerina Siniakova | 1 | 3 | 4 | Oct 26, 2024 | H2H |
| Sara Sorribes Tormo | 0 | 4 | 4 | Apr 25, 2024 | H2H |
| Veronika Kudermetova | 2 | 2 | 4 | Aug 30, 2023 | H2H |