H2H data updated: 2026-10-28 00:00 UTC
Naomi Osaka holds a 2–0 lead over Marta Kostyuk in their WTA head-to-head. Across 2 main-draw meetings, Naomi Osaka leads 1–0 on clay and 1–0 on hard courts. Most recently, Naomi Osaka won the 2024 Italian Open second round 6-3 6-2.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Naomi Osaka | 6-3 6-2 | Marta Kostyuk | Match data | May 10, 2024* | R64 | Italian Open | WTA 1000 | Clay |
| Naomi Osaka | 6-3 6-7(4) 6-2 | Marta Kostyuk | Match data | Sep 6, 2020* | R32 | US Open | Grand Slam | 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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Naomi Osaka | #18 | #1 | 7,985 | 2,178 | 253 | 138 | 64.7% | 4 | 2 | 0 | 1 | 0 | 7 |
| Marta Kostyuk | #10 | #10 | 4,040 | 2,109 | 162 | 120 | 57.4% | 0 | 1 | 0 | 0 | 2 | 3 |
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 | Naomi Osaka | Marta Kostyuk | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 16 | 2014 | 2–2 | 50.0% | #260 | 1,530 | 0 | 0 | 2018 | 3–5 | 37.5% | #119 | 1,515 | 0 | 0 |
| 17 | 2015 | 0–2 | 0.0% | #144 | 1,509 | 0 | 0 | 2019 | 2–3 | 40.0% | #153 | 1,615 | 0 | 0 |
| 18 | 2016 | 20–13 | 60.6% | #48 | 1,700 | 0 | 0 | 2020 | 2–5 | 28.6% | #99 | 1,661 | 0 | 0 |
| 19 | 2017 | 19–22 | 46.3% | #68 | 1,695 | 0 | 0 | 2021 | 19–16 | 54.3% | #50 | 1,739 | 0 | 0 |
| 20 | 2018 | 40–20 | 66.7% | #5 | 1,902 | 1 | 2 | 2022 | 16–20 | 44.4% | #69 | 1,754 | 0 | 0 |
| 21 | 2019 | 40–13 | 75.5% | #3 | 2,046 | 2 | 5 | 2023 | 23–20 | 53.5% | #39 | 1,810 | 0 | 1 |
| 22 | 2020 | 16–3 | 84.2% | #3 | 2,111 | 3 | 6 | 2024 | 36–20 | 64.3% | #18 | 1,889 | 0 | 1 |
| 23 | 2021 | 20–8 | 71.4% | #13 | 2,039 | 4 | 7 | 2025 | 25–19 | 56.8% | #26 | 1,889 | 0 | 1 |
| 24 | 2022 | 15–11 | 57.7% | #42 | 1,933 | 4 | 7 | 2026 | 36–12 | 75.0% | #10 | 2,008 | 0 | 3 |
| 26 | 2024 | 21–17 | 55.3% | #57 | 1,872 | 4 | 7 | — | — | — | — | — | — | — |
| 27 | 2025 | 30–15 | 66.7% | #16 | 1,959 | 4 | 7 | — | — | — | — | — | — | — |
| 28 | 2026 | 30–12 | 71.4% | #18 | 2,059 | 4 | 7 | — | — | — | — | — | — | — |
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 | Naomi Osaka | Marta Kostyuk | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2014 | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | 2018 | 2 | 2 | 4 | 50.0% | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% |
| 17 | 2015 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 2019 | 0 | 1 | 1 | 0.0% | 2 | 2 | 4 | 50.0% | — | — | — | — |
| 18 | 2016 | 18 | 11 | 29 | 62.1% | 2 | 2 | 4 | 50.0% | — | — | — | — | 2020 | 2 | 3 | 5 | 40.0% | 0 | 2 | 2 | 0.0% | — | — | — | — |
| 19 | 2017 | 13 | 13 | 26 | 50.0% | 2 | 5 | 7 | 28.6% | 4 | 4 | 8 | 50.0% | 2021 | 11 | 10 | 21 | 52.4% | 6 | 3 | 9 | 66.7% | 2 | 3 | 5 | 40.0% |
| 20 | 2018 | 29 | 13 | 42 | 69.0% | 5 | 4 | 9 | 55.6% | 6 | 3 | 9 | 66.7% | 2022 | 12 | 14 | 26 | 46.2% | 1 | 4 | 5 | 20.0% | 3 | 2 | 5 | 60.0% |
| 21 | 2019 | 30 | 7 | 37 | 81.1% | 9 | 4 | 13 | 69.2% | 1 | 2 | 3 | 33.3% | 2023 | 20 | 15 | 35 | 57.1% | 1 | 3 | 4 | 25.0% | 2 | 2 | 4 | 50.0% |
| 22 | 2020 | 16 | 3 | 19 | 84.2% | — | — | — | — | — | — | — | — | 2024 | 26 | 12 | 38 | 68.4% | 8 | 5 | 13 | 61.5% | 2 | 3 | 5 | 40.0% |
| 23 | 2021 | 18 | 5 | 23 | 78.3% | 2 | 3 | 5 | 40.0% | — | — | — | — | 2025 | 19 | 13 | 32 | 59.4% | 6 | 3 | 9 | 66.7% | 0 | 3 | 3 | 0.0% |
| 24 | 2022 | 14 | 9 | 23 | 60.9% | 1 | 2 | 3 | 33.3% | — | — | — | — | 2026 | 15 | 10 | 25 | 60.0% | 16 | 1 | 17 | 94.1% | 5 | 1 | 6 | 83.3% |
| 26 | 2024 | 13 | 9 | 22 | 59.1% | 5 | 5 | 10 | 50.0% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2025 | 24 | 9 | 33 | 72.7% | 3 | 3 | 6 | 50.0% | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2026 | 15 | 7 | 22 | 68.2% | 7 | 3 | 10 | 70.0% | 8 | 2 | 10 | 80.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 192 | 90 | 282 | 68.1% | 36 | 31 | 67 | 53.7% | 25 | 17 | 42 | 59.5% | — | 107 | 80 | 187 | 57.2% | 41 | 25 | 66 | 62.1% | 14 | 15 | 29 | 48.3% |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 354/391 of Naomi Osaka's and 264/282 of Marta Kostyuk'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 | Naomi Osaka | Marta Kostyuk | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2014 | 4/4 | 4.3 | 1.8 | 55.4% | 65.3% | 44.8% | 33.6% | 49.2% | 55.5% | 41.0% | 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 | 2016 | 33/33 | 4.8 | 2.5 | 55.2% | 69.6% | 48.3% | 54.8% | 51.5% | 59.9% | 43.8% | 2020 | 7/7 | 3.6 | 5.3 | 62.0% | 64.8% | 43.4% | 60.9% | 35.8% | 56.2% | 42.0% |
| 19 | 2017 | 40/41 | 4.2 | 2.5 | 55.9% | 67.2% | 45.7% | 45.6% | 46.3% | 57.5% | 40.2% | 2021 | 35/35 | 2.7 | 3.9 | 62.7% | 61.9% | 45.2% | 51.6% | 45.5% | 55.6% | 44.0% |
| 20 | 2018 | 55/60 | 4.7 | 2.1 | 59.7% | 71.1% | 48.8% | 55.8% | 55.7% | 61.9% | 45.3% | 2022 | 35/36 | 3.4 | 5.3 | 60.8% | 64.4% | 41.0% | 48.5% | 40.3% | 55.5% | 42.6% |
| 21 | 2019 | 50/53 | 7.0 | 1.9 | 60.2% | 73.1% | 47.9% | 56.3% | 51.0% | 63.1% | 44.4% | 2023 | 43/43 | 3.1 | 6.0 | 57.0% | 66.3% | 43.4% | 48.0% | 49.1% | 56.5% | 43.6% |
| 22 | 2020 | 18/19 | 7.8 | 2.5 | 59.0% | 76.0% | 53.0% | 64.2% | 43.2% | 66.5% | 42.5% | 2024 | 50/56 | 3.0 | 6.8 | 57.2% | 65.8% | 44.1% | 52.9% | 53.3% | 56.6% | 44.8% |
| 23 | 2021 | 21/28 | 6.5 | 2.8 | 53.5% | 76.2% | 52.2% | 59.4% | 52.6% | 64.9% | 43.6% | 2025 | 34/44 | 3.0 | 5.8 | 59.5% | 67.7% | 46.0% | 62.0% | 49.1% | 58.9% | 45.1% |
| 24 | 2022 | 22/26 | 5.7 | 2.5 | 51.4% | 76.9% | 47.4% | 61.9% | 44.1% | 62.7% | 41.4% | 2026 | 47/48 | 3.8 | 4.1 | 58.1% | 70.9% | 47.6% | 57.8% | 53.0% | 61.1% | 46.8% |
| 26 | 2024 | 36/38 | 6.5 | 2.7 | 54.0% | 75.1% | 51.1% | 56.3% | 50.1% | 64.0% | 40.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 27 | 2025 | 34/46 | 6.6 | 2.9 | 56.9% | 74.7% | 49.3% | 52.5% | 53.6% | 63.5% | 45.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 28 | 2026 | 41/43 | 5.9 | 2.4 | 58.5% | 72.9% | 49.5% | 54.5% | 47.6% | 63.2% | 42.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 354/393 | 5.8 | 2.4 | 57.0% | 72.6% | 48.9% | 54.8% | 50.3% | 62.3% | 43.1% | — | 264/282 | 3.2 | 5.4 | 58.9% | 66.3% | 44.7% | 53.3% | 49.0% | 57.4% | 44.4% |
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 | Naomi Osaka | Marta Kostyuk | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2014 | 1531 | 113.6 | +0.17 | +0.57 | 0.923 | 48.4% | +17 | — | — | 45.5% | 0.00 | 2–1 (67%) | 1–0 | — | -0.19 | 2018 | 1516 | 118.7 | -0.89 | -0.21 | 0.947 | 49.5% | -2 | +68 | — | 44.4% | -0.33 | 0–2 | — | — | +0.60 |
| 17 | 2015 | 1509 | 102.0 | — | — | — | — | — | — | — | 20.0% | -1.80 | 0–1 | — | — | 0.00 | 2019 | 1616 | 118.9 | -1.57 | +1.09 | 1.053 | 50.9% | — | +68 | — | 53.8% | +0.23 | 0–3 (0%) | — | — | -0.05 |
| 18 | 2016 | 1700 | 128.3 | +3.18 | +0.66 | 1.091 | 51.9% | -10 | -101 | — | 60.0% | +0.65 | 4–5 (44%) | 5–6 (45%) | 101.0 | +0.04 | 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 | 2017 | 1696 | 132.1 | +1.30 | -2.12 | 0.947 | 48.9% | +6 | -84 | -46 | 45.8% | -0.18 | 5–4 (56%) | 2–5 (29%) | 97.8 | -1.51 | 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 |
| 20 | 2018 | 1902 | 160.7 | +5.21 | +2.94 | 1.190 | 53.8% | +17 | -236 | -168 | 67.5% | +1.35 | 4–3 (57%) | 4–4 (50%) | 99.8 | -2.09 | 2022 | 1754 | 134.9 | -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 |
| 21 | 2019 | 2047 | 154.9 | +5.80 | +1.63 | 1.202 | 53.6% | +30 | -229 | -350 | 68.4% | +1.22 | 17–2 (89%) | 10–4 (71%) | 116.1 | +0.63 | 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 |
| 22 | 2020 | 2112 | 156.0 | +6.66 | +1.24 | 1.267 | 54.0% | +18 | — | — | 71.7% | +1.61 | 9–1 (90%) | 3–5 (38%) | 103.1 | -0.43 | 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 |
| 23 | 2021 | 2040 | 154.1 | +6.00 | +1.08 | 1.240 | 54.0% | +82 | -235 | — | 72.2% | +1.43 | 3–3 (50%) | 2–2 (50%) | 95.5 | -0.04 | 2025 | 1889 | 156.7 | +2.04 | +2.03 | 1.097 | 51.9% | +46 | -51 | -328 | 55.2% | +0.57 | 9–8 (53%) | 3–8 (27%) | 96.3 | +1.53 |
| 24 | 2022 | 1934 | 147.9 | +4.77 | +0.02 | 1.112 | 52.0% | +91 | -156 | — | 57.4% | +0.81 | 4–1 (80%) | 0–2 | — | -0.62 | 2026 | 2008 | 165.8 | +4.21 | +4.70 | 1.202 | 54.0% | -66 | +96 | -229 | 69.4% | +1.52 | 10–5 (67%) | 4–6 (40%) | 102.1 | -2.47 |
| 26 | 2024 | 1873 | 146.8 | +5.89 | -1.17 | 1.122 | 52.2% | +76 | -98 | -157 | 56.3% | +0.71 | 3–5 (38%) | 4–8 (33%) | 94.1 | -2.05 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2025 | 1959 | 153.2 | +4.80 | +1.97 | 1.240 | 54.1% | +53 | -121 | -236 | 65.1% | +1.10 | 11–9 (55%) | 10–6 (63%) | 102.1 | +1.00 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2026 | 2059 | 160.0 | +5.34 | +0.83 | 1.153 | 53.0% | +2 | -112 | -119 | 67.0% | +1.13 | 9–3 (75%) | 9–4 (69%) | 109.8 | -1.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 2179 | 157.2 | +4.74 | +0.81 | 1.143 | 52.6% | +34 | -158 | -154 | 62.8% | +0.95 | 71–38 (65%) | 50–46 (52%) | 107.7 | -1.69 | — | 2109 | 153.3 | +0.90 | +1.88 | 1.042 | 51.0% | +2 | -12 | -197 | 55.2% | +0.42 | 57–46 (55%) | 37–35 (51%) | 103.9 | -1.61 |
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 |
|---|---|---|---|---|---|
| Elise Mertens | 7 | 4 | 11 | Sep 5, 2026 | H2H |
| Karolina Muchova | 4 | 5 | 9 | Oct 6, 2026 | H2H |
| Elina Svitolina | 5 | 3 | 8 | Aug 5, 2025 | H2H |
| Angelique Kerber | 2 | 5 | 7 | Jul 29, 2024 | H2H |
| Karolina Pliskova | 2 | 5 | 7 | Feb 16, 2024 | H2H |
| 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 |