Marta Kostyuk
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Daria Kasatkina | 4 | 4 | 8 | Jul 31, 2025 | H2H |
| Jessica Pegula | 3 | 4 | 7 | Apr 26, 2026 | H2H |
| Coco Gauff | 2 | 4 | 6 | Aug 22, 2026 | H2H |
| Elena Rybakina | 1 | 5 | 6 | Mar 22, 2026 | H2H |
| Maria Sakkari | 2 | 3 | 5 | Oct 13, 2026 | H2H |
H2H data updated: 2026-11-09 00:00 UTC
Marta Kostyuk vs Katie Boulter H2H: 1-1
Marta Kostyuk and Katie Boulter are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on hard courts. Most recently, Marta Kostyuk won the 2025 US Open first 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
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2 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Marta Kostyuk | 6-4 6-4 | Katie Boulter | Match data | Aug 26, 2025 | R128 | US Open | Grand Slam | Hard |
| Katie Boulter | 5-7 6-2 6-2 | Marta Kostyuk | Match data | Mar 3, 2024* | F | San Diego | WTA 500 | Hard |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marta Kostyuk | #10 | #10 | 4,040 | 2,109 | 162 | 121 | 57.2% | 0 | 1 | 0 | 0 | 2 | 3 |
| Katie Boulter | #49 | #23 | 1,931 | 1,858 | 101 | 100 | 50.2% | 0 | 0 | 0 | 1 | 3 | 4 |
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 | Marta Kostyuk | Katie Boulter | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 2018 | 3–5 | 37.5% | #119 | 1,515 | 0 | 0 | — | — | — | — | — | — | — |
| 17 | 2019 | 2–3 | 40.0% | #153 | 1,615 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 2020 | 2–5 | 28.6% | #99 | 1,661 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 2021 | 19–16 | 54.3% | #50 | 1,739 | 0 | 0 | — | — | — | — | — | — | — |
| 20 | 2022 | 16–20 | 44.4% | #69 | 1,754 | 0 | 0 | 2017 | 0–1 | 0.0% | #198 | 1,483 | 0 | 0 |
| 21 | 2023 | 23–20 | 53.5% | #39 | 1,810 | 0 | 1 | 2018 | 6–8 | 42.9% | #97 | 1,594 | 0 | 0 |
| 22 | 2024 | 36–20 | 64.3% | #18 | 1,889 | 0 | 1 | 2019 | 2–3 | 40.0% | #319 | 1,612 | 0 | 0 |
| 23 | 2025 | 25–19 | 56.8% | #26 | 1,889 | 0 | 1 | 2020 | 1–2 | 33.3% | #365 | 1,613 | 0 | 0 |
| 24 | 2026 | 36–13 | 73.5% | #10 | 1,994 | 0 | 3 | 2021 | 8–10 | 44.4% | #149 | 1,628 | 0 | 0 |
| 25 | — | — | — | — | — | — | — | 2022 | 9–8 | 52.9% | #136 | 1,738 | 0 | 0 |
| 26 | — | — | — | — | — | — | — | 2023 | 11–10 | 52.4% | #56 | 1,738 | 0 | 1 |
| 27 | — | — | — | — | — | — | — | 2024 | 29–20 | 59.2% | #24 | 1,822 | 0 | 3 |
| 28 | — | — | — | — | — | — | — | 2025 | 11–18 | 37.9% | #106 | 1,752 | 0 | 3 |
| 29 | — | — | — | — | — | — | — | 2026 | 24–20 | 54.5% | #49 | 1,785 | 0 | 4 |
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 | Marta Kostyuk | Katie Boulter | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2 | 2 | 4 | 50.0% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | 2019 | 0 | 1 | 1 | 0.0% | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2020 | 2 | 3 | 5 | 40.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2021 | 11 | 10 | 21 | 52.4% | 6 | 3 | 9 | 66.7% | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2022 | 12 | 14 | 26 | 46.2% | 1 | 4 | 5 | 20.0% | 3 | 2 | 5 | 60.0% | 2017 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 21 | 2023 | 20 | 15 | 35 | 57.1% | 1 | 3 | 4 | 25.0% | 2 | 2 | 4 | 50.0% | 2018 | 3 | 5 | 8 | 37.5% | — | — | — | — | 3 | 3 | 6 | 50.0% |
| 22 | 2024 | 26 | 12 | 38 | 68.4% | 8 | 5 | 13 | 61.5% | 2 | 3 | 5 | 40.0% | 2019 | 2 | 3 | 5 | 40.0% | — | — | — | — | — | — | — | — |
| 23 | 2025 | 19 | 13 | 32 | 59.4% | 6 | 3 | 9 | 66.7% | 0 | 3 | 3 | 0.0% | 2020 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 24 | 2026 | 15 | 11 | 26 | 57.7% | 16 | 1 | 17 | 94.1% | 5 | 1 | 6 | 83.3% | 2021 | 4 | 8 | 12 | 33.3% | — | — | — | — | 4 | 2 | 6 | 66.7% |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2022 | 2 | 4 | 6 | 33.3% | — | — | — | — | 7 | 4 | 11 | 63.6% |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 4 | 7 | 11 | 36.4% | — | — | — | — | 7 | 3 | 10 | 70.0% |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 21 | 13 | 34 | 61.8% | 0 | 4 | 4 | 0.0% | 8 | 3 | 11 | 72.7% |
| 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 | — | 107 | 81 | 188 | 56.9% | 41 | 25 | 66 | 62.1% | 14 | 15 | 29 | 48.3% | — | 59 | 66 | 125 | 47.2% | 6 | 12 | 18 | 33.3% | 36 | 22 | 58 | 62.1% |
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 265/284 of Marta Kostyuk's and 191/201 of Katie Boulter'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 | Marta Kostyuk | Katie Boulter | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 8/8 | 4.8 | 6.9 | 54.1% | 68.7% | 45.4% | 47.7% | 63.8% | 57.4% | 40.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 17 | 2019 | 5/5 | 2.6 | 3.6 | 60.9% | 63.8% | 47.8% | 48.7% | 44.7% | 57.2% | 45.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 18 | 2020 | 7/7 | 3.6 | 5.3 | 62.0% | 64.8% | 43.4% | 60.9% | 35.8% | 56.2% | 42.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 19 | 2021 | 35/35 | 2.7 | 3.9 | 62.7% | 61.9% | 45.2% | 51.6% | 45.5% | 55.6% | 44.0% | — | —/— | — | — | — | — | — | — | — | — | — |
| 20 | 2022 | 35/36 | 3.4 | 5.3 | 60.8% | 64.4% | 41.0% | 48.5% | 40.3% | 55.5% | 42.6% | 2017 | 1/1 | 6.0 | 2.0 | 57.5% | 68.0% | 43.2% | 44.4% | 50.0% | 57.5% | 38.4% |
| 21 | 2023 | 43/43 | 3.1 | 6.0 | 57.0% | 66.3% | 43.4% | 48.0% | 49.1% | 56.5% | 43.6% | 2018 | 12/14 | 4.3 | 2.5 | 57.6% | 63.2% | 48.6% | 49.8% | 43.7% | 56.6% | 39.4% |
| 22 | 2024 | 50/56 | 3.0 | 6.8 | 57.2% | 65.8% | 44.1% | 52.9% | 53.3% | 56.6% | 44.8% | 2019 | 5/5 | 5.8 | 4.8 | 57.0% | 73.0% | 43.6% | 62.8% | 41.0% | 60.2% | 36.6% |
| 23 | 2025 | 34/44 | 3.0 | 5.8 | 59.5% | 67.7% | 46.0% | 62.0% | 49.1% | 58.9% | 45.1% | 2020 | 3/3 | 2.0 | 5.0 | 52.9% | 64.6% | 48.7% | 51.9% | 66.3% | 56.7% | 37.0% |
| 24 | 2026 | 48/50 | 3.9 | 4.2 | 57.7% | 70.8% | 47.6% | 56.6% | 52.4% | 60.9% | 46.6% | 2021 | 18/18 | 2.8 | 4.5 | 57.4% | 64.7% | 49.2% | 55.7% | 46.3% | 57.9% | 40.6% |
| 25 | — | —/— | — | — | — | — | — | — | — | — | — | 2022 | 17/17 | 2.8 | 4.1 | 60.0% | 69.4% | 40.6% | 53.2% | 47.5% | 57.9% | 39.5% |
| 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% |
| 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 | — | 265/284 | 3.2 | 5.4 | 58.9% | 66.4% | 44.7% | 53.1% | 48.9% | 57.4% | 44.4% | — | 191/201 | 3.1 | 5.0 | 58.1% | 67.5% | 43.7% | 52.8% | 47.9% | 57.7% | 41.8% |
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 | Marta Kostyuk | Katie Boulter | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 15 | 2017 | 1483 | 97.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 16 | 2018 | 1516 | 117.7 | -0.89 | -0.21 | 0.947 | 49.5% | -2 | +68 | — | 44.4% | -0.33 | 0–2 | — | — | +0.60 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | 2019 | 1616 | 118.9 | -1.57 | +1.09 | 1.053 | 50.9% | — | +68 | — | 53.8% | +0.23 | 0–3 (0%) | — | — | -0.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | 2020 | 1662 | 127.8 | -0.40 | -0.50 | 0.959 | 49.2% | -3 | — | — | 37.5% | -0.88 | 0–2 | 2–1 (67%) | — | -0.16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2021 | 1740 | 135.9 | -0.54 | +0.60 | 0.990 | 49.9% | -34 | +8 | -154 | 53.2% | +0.27 | 4–5 (44%) | 3–5 (38%) | 98.1 | -0.69 | 2016 | 1493 | 97.3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2022 | 1754 | 135.0 | -0.66 | +0.17 | 0.957 | 49.2% | +1 | -64 | -136 | 46.5% | -0.19 | 8–8 (50%) | 5–4 (56%) | 99.5 | -1.22 | 2017 | 1483 | 99.7 | +1.01 | -1.68 | 0.903 | 47.3% | — | — | — | 33.3% | -0.67 | 0–1 | — | — | +0.04 |
| 21 | 2023 | 1811 | 147.7 | +0.01 | +1.37 | 1.002 | 50.2% | +7 | -145 | -163 | 51.0% | +0.05 | 10–8 (56%) | 9–5 (64%) | 103.7 | -1.77 | 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 | 2024 | 1890 | 152.6 | +0.62 | +2.38 | 1.033 | 50.9% | +29 | -120 | -213 | 57.5% | +0.47 | 16–5 (76%) | 11–6 (65%) | 113.1 | -0.25 | 2019 | 1612 | 116.7 | +1.64 | -0.86 | 0.919 | 48.0% | -15 | — | — | 50.0% | -0.10 | 1–1 | 1–0 | — | -0.20 |
| 23 | 2025 | 1889 | 156.6 | +2.04 | +2.03 | 1.097 | 51.9% | +46 | -51 | -328 | 56.3% | +0.64 | 9–8 (53%) | 3–8 (27%) | 96.3 | +1.54 | 2020 | 1613 | 109.1 | -0.24 | -1.93 | 0.856 | 47.8% | -3 | — | — | 28.6% | -0.57 | 1–0 | 0–1 | — | -0.13 |
| 24 | 2026 | 1994 | 165.9 | +4.09 | +4.69 | 1.193 | 53.8% | -70 | +108 | -215 | 68.8% | +1.50 | 10–5 (67%) | 4–6 (40%) | 102.1 | -2.80 | 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 |
| 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 |
| 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 |
| 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 |
| 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 | -0.13 | +0.35 | 0.993 | 49.8% | +13 | -141 | +130 | 50.0% | +0.04 | 9–5 (64%) | 5–4 (56%) | 104.7 | -1.58 |
| Career | — | 2110 | 153.4 | +0.90 | +1.88 | 1.042 | 51.0% | +2 | -8 | -194 | 55.3% | +0.43 | 57–46 (55%) | 37–35 (51%) | 103.9 | -1.72 | — | 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 | -1.50 |
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.
Katie Boulter
all rivalries →| 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 |