H2H data updated: 2026-11-07 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Katie Boulter vs Miriam Bulgaru.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Katie Boulter | 6-3 6-3 | Miriam Bulgaru | Match data | Aug 5, 2023 | Q1 | Canadian Open | WTA 1000 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Katie Boulter | #49 | #23 | 1,931 | 1,858 | 101 | 100 | 50.2% | 0 | 0 | 0 | 1 | 3 | 4 |
| Miriam Bulgaru | #374 | #168 | 421 | 1,603 | 2 | 8 | 20.0% | 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 | Katie Boulter | Miriam Bulgaru | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 19 | — | — | — | — | — | — | — | 2018 | 0–1 | 0.0% | #490 | 1,469 | 0 | 0 |
| 20 | 2017 | 0–1 | 0.0% | #198 | 1,483 | 0 | 0 | — | — | — | — | — | — | — |
| 21 | 2018 | 6–8 | 42.9% | #97 | 1,594 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2019 | 2–3 | 40.0% | #319 | 1,612 | 0 | 0 | — | — | — | — | — | — | — |
| 23 | 2020 | 1–2 | 33.3% | #365 | 1,613 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2021 | 8–10 | 44.4% | #149 | 1,628 | 0 | 0 | 2023 | 1–2 | 33.3% | #194 | 1,555 | 0 | 0 |
| 25 | 2022 | 9–8 | 52.9% | #136 | 1,738 | 0 | 0 | 2024 | 1–2 | 33.3% | #213 | 1,513 | 0 | 0 |
| 26 | 2023 | 11–10 | 52.4% | #56 | 1,738 | 0 | 1 | 2025 | 0–1 | 0.0% | #200 | 1,454 | 0 | 0 |
| 27 | 2024 | 29–20 | 59.2% | #24 | 1,822 | 0 | 3 | 2026 | 0–2 | 0.0% | #374 | 1,455 | 0 | 0 |
| 28 | 2025 | 11–18 | 37.9% | #106 | 1,752 | 0 | 3 | — | — | — | — | — | — | — |
| 29 | 2026 | 24–20 | 54.5% | #49 | 1,785 | 0 | 4 | — | — | — | — | — | — | — |
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 | Katie Boulter | Miriam Bulgaru | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 20 | 2017 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2018 | 3 | 5 | 8 | 37.5% | — | — | — | — | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2019 | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2020 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2021 | 4 | 8 | 12 | 33.3% | — | — | — | — | 4 | 2 | 6 | 66.7% | 2023 | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 25 | 2022 | 2 | 4 | 6 | 33.3% | — | — | — | — | 7 | 4 | 11 | 63.6% | 2024 | — | — | — | — | 1 | 2 | 3 | 33.3% | — | — | — | — |
| 26 | 2023 | 4 | 7 | 11 | 36.4% | — | — | — | — | 7 | 3 | 10 | 70.0% | 2025 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 27 | 2024 | 21 | 13 | 34 | 61.8% | 0 | 4 | 4 | 0.0% | 8 | 3 | 11 | 72.7% | 2026 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 28 | 2025 | 5 | 12 | 17 | 29.4% | 2 | 3 | 5 | 40.0% | 4 | 3 | 7 | 57.1% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 17 | 12 | 29 | 58.6% | 4 | 5 | 9 | 44.4% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 59 | 66 | 125 | 47.2% | 6 | 12 | 18 | 33.3% | 36 | 22 | 58 | 62.1% | — | 1 | 2 | 3 | 33.3% | 1 | 6 | 7 | 14.3% | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 191/201 of Katie Boulter's and 9/9 of Miriam Bulgaru'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 | Katie Boulter | Miriam Bulgaru | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | |
| 19 | — | —/— | — | — | — | — | — | — | — | — | — | 2018 | 1/1 | 0.0 | 8.0 | 47.6% | 60.0% | 36.4% | 50.0% | 50.0% | 47.6% | 34.6% |
| 20 | 2017 | 1/1 | 6.0 | 2.0 | 57.5% | 68.0% | 43.2% | 44.4% | 50.0% | 57.5% | 38.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2018 | 12/14 | 4.3 | 2.5 | 57.6% | 63.2% | 48.6% | 49.8% | 43.7% | 56.6% | 39.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2019 | 5/5 | 5.8 | 4.8 | 57.0% | 73.0% | 43.6% | 62.8% | 41.0% | 60.2% | 36.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 23 | 2020 | 3/3 | 2.0 | 5.0 | 52.9% | 64.6% | 48.7% | 51.9% | 66.3% | 56.7% | 37.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 24 | 2021 | 18/18 | 2.8 | 4.5 | 57.4% | 64.7% | 49.2% | 55.7% | 46.3% | 57.9% | 40.6% | 2023 | 3/3 | 0.3 | 1.7 | 63.1% | 58.2% | 51.2% | 50.9% | 35.0% | 55.8% | 43.8% |
| 25 | 2022 | 17/17 | 2.8 | 4.1 | 60.0% | 69.4% | 40.6% | 53.2% | 47.5% | 57.9% | 39.5% | 2024 | 3/3 | 1.7 | 3.7 | 59.5% | 63.8% | 40.8% | 37.8% | 52.9% | 54.3% | 44.5% |
| 26 | 2023 | 21/21 | 3.9 | 5.2 | 58.0% | 67.7% | 43.8% | 59.7% | 49.1% | 58.0% | 43.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| 27 | 2024 | 48/49 | 3.6 | 5.3 | 56.3% | 72.2% | 45.5% | 54.3% | 46.4% | 60.7% | 42.8% | 2026 | 2/2 | 1.0 | 2.0 | 66.3% | 48.4% | 47.2% | 14.3% | 29.2% | 48.2% | 43.1% |
| 28 | 2025 | 24/29 | 2.7 | 6.3 | 59.0% | 62.3% | 39.7% | 47.0% | 50.3% | 53.4% | 41.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 42/44 | 1.8 | 5.3 | 60.1% | 66.3% | 41.2% | 49.7% | 48.9% | 56.5% | 43.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 191/201 | 3.1 | 5.0 | 58.1% | 67.5% | 43.7% | 52.8% | 47.9% | 57.7% | 41.8% | — | 9/10 | 0.9 | 3.1 | 60.9% | 58.1% | 45.2% | 38.3% | 41.3% | 52.7% | 42.9% |
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 | Katie Boulter | Miriam Bulgaru | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1481 | 96.5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2016 | 1493 | 97.3 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | 1470 | 95.1 | +0.61 | -0.19 | 0.661 | 41.7% | — | — | — | 0.0% | -4.00 | — | — | — | +0.04 |
| 20 | 2017 | 1483 | 99.7 | +1.01 | -1.68 | 0.903 | 47.3% | — | — | — | 33.3% | -0.67 | 0–1 | — | — | +0.04 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2018 | 1594 | 115.0 | -0.12 | -1.06 | 0.907 | 47.7% | -26 | — | +22 | 45.5% | -0.70 | 2–3 (40%) | 2–0 | — | -0.32 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2019 | 1612 | 116.7 | +1.64 | -0.86 | 0.919 | 48.0% | -15 | — | — | 50.0% | -0.10 | 1–1 | 1–0 | — | -0.20 | 2021 | 1473 | 98.0 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2020 | 1613 | 109.1 | -0.24 | -1.93 | 0.856 | 47.8% | -3 | — | — | 28.6% | -0.57 | 1–0 | 0–1 | — | -0.13 | 2022 | 1465 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2021 | 1629 | 122.0 | +0.87 | -1.11 | 0.965 | 49.3% | -39 | — | +50 | 47.5% | -0.35 | 3–3 (50%) | 1–1 | — | -0.81 | 2023 | 1555 | 107.4 | -2.36 | -0.01 | 0.992 | 50.1% | — | — | — | 42.9% | -0.43 | 0–1 | 0–1 | — | +0.25 |
| 25 | 2022 | 1738 | 131.0 | +0.12 | -1.36 | 0.939 | 49.0% | -68 | — | +130 | 53.8% | 0.00 | 4–3 (57%) | 4–1 (80%) | 106.4 | -0.69 | 2024 | 1514 | 103.5 | -0.06 | +0.02 | 0.975 | 49.4% | — | +52 | — | 42.9% | -0.29 | 0–1 | 0–1 | — | +0.22 |
| 26 | 2023 | 1738 | 126.9 | +0.54 | +0.56 | 1.039 | 51.1% | -58 | — | +162 | 52.1% | +0.40 | 3–3 (50%) | 2–4 (33%) | 99.1 | +1.53 | 2025 | 1455 | 99.1 | — | — | — | — | — | — | — | 33.3% | -0.33 | 0–1 | 0–1 | — | -0.02 |
| 27 | 2024 | 1823 | 146.2 | +3.23 | -0.07 | 1.090 | 51.5% | +13 | -317 | +185 | 55.8% | +0.58 | 8–4 (67%) | 4–7 (36%) | 102.5 | +1.02 | 2026 | 1456 | 97.8 | -1.35 | -1.80 | 0.833 | 45.4% | — | — | — | 0.0% | -3.00 | — | — | — | -0.13 |
| 28 | 2025 | 1753 | 131.1 | -2.49 | -0.85 | 0.879 | 47.3% | -20 | -102 | +240 | 39.1% | -0.78 | 8–5 (62%) | 3–4 (43%) | 100.8 | -1.87 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2026 | 1786 | 141.0 | -0.14 | +0.35 | 0.993 | 49.8% | +13 | -141 | +130 | 50.0% | +0.04 | 9–5 (64%) | 5–4 (56%) | 104.7 | -1.57 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1859 | 138.6 | +0.66 | -0.34 | 0.987 | 49.7% | -11 | -169 | +140 | 49.2% | -0.03 | 39–28 (58%) | 22–22 (50%) | 107.0 | -1.49 | — | 1604 | 100.4 | -1.04 | -0.42 | 0.907 | 47.9% | — | +52 | — | 30.4% | -1.13 | 0–3 (0%) | 0–3 (0%) | 93.6 | +3.60 |
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 |
|---|---|---|---|---|---|
| Jasmine Paolini | 1 | 4 | 5 | Feb 28, 2026 | H2H |
| Beatriz Haddad Maia | 4 | 1 | 5 | Feb 24, 2026 | H2H |
| Karolina Pliskova | 3 | 2 | 5 | Jun 16, 2024 | H2H |
| Viktorija Golubic | 3 | 1 | 4 | Nov 2, 2026 | H2H |
| Aryna Sabalenka | 0 | 4 | 4 | Aug 10, 2024 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Elena Pridankina | 0 | 1 | 1 | Jul 14, 2026 | H2H |
| Olga Danilovic | 0 | 1 | 1 | Feb 2, 2026 | H2H |
| Jil Teichmann | 0 | 1 | 1 | Jul 14, 2025 | H2H |
| Selena Janicijevic | 0 | 1 | 1 | Jul 24, 2024 | H2H |
| Tatjana Maria | 1 | 0 | 1 | Jul 23, 2024 | H2H |