H2H data updated: 2026-11-01 00:00 UTC

Naomi Osaka vs Katie Boulter H2H: 3-0

Naomi Osaka holds a 3–0 lead over Katie Boulter in their WTA head-to-head. Across 3 main-draw meetings, Naomi Osaka leads 2–0 on grass and 1–0 on hard courts. Most recently, Naomi Osaka won the 2021 Gippsland Trophy third round 3-6 6-3 6-1.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Naomi Osaka
Japan Age 29 Right-Handed 180 cm / 5'11"
H2H
3 – 0
3 main-draw meetings
Katie Boulter
Great Britain Age 30 Right-Handed 182 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Naomi Osaka #3 3-6 6-3 6-1 Katie Boulter #371 Match data Feb 4, 2021* R16 Gippsland Trophy WTA 500 Hard
Naomi Osaka #18 6-3 6-4 Katie Boulter #122 Match data Jul 5, 2018* R64 Wimbledon Grand Slam Grass
Naomi Osaka #18 6-1 6-2 Katie Boulter #139 Match data Jun 21, 2018* R32 Birmingham Premier → modern equivalent WTA 500 Grass

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
Naomi Osaka #18 #1 7,985 2,178 253 139 64.5% 4 2 0 1 0 7
Katie Boulter #48 #23 1,931 1,858 100 99 50.3% 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 Naomi Osaka Katie Boulter
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2014 2–2 50.0% #260 1,530 0 0 — — — — — — —
17 2015 0–2 0.0% #144 1,509 0 0 — — — — — — —
18 2016 20–13 60.6% #48 1,700 0 0 — — — — — — —
19 2017 19–22 46.3% #68 1,695 0 0 — — — — — — —
20 2018 40–20 66.7% #5 1,902 1 2 2017 0–1 0.0% #198 1,483 0 0
21 2019 40–13 75.5% #3 2,046 2 5 2018 6–8 42.9% #97 1,594 0 0
22 2020 16–3 84.2% #3 2,111 3 6 2019 2–3 40.0% #319 1,612 0 0
23 2021 20–8 71.4% #13 2,039 4 7 2020 1–2 33.3% #365 1,613 0 0
24 2022 15–11 57.7% #42 1,933 4 7 2021 8–10 44.4% #149 1,628 0 0
25 — — — — — — — 2022 9–8 52.9% #136 1,738 0 0
26 2024 21–17 55.3% #57 1,872 4 7 2023 11–10 52.4% #56 1,738 0 1
27 2025 30–15 66.7% #16 1,959 4 7 2024 29–20 59.2% #24 1,822 0 3
28 2026 30–13 69.8% #18 2,030 4 7 2025 11–18 37.9% #106 1,752 0 3
29 — — — — — — — 2026 23–19 54.8% #48 1,791 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 Naomi Osaka Katie Boulter
Yr HardClayGrass Yr HardClayGrass
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% — — — — — — — — — — — — — — — — — — — — —
17 2015 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
18 2016 18 11 29 62.1% 2 2 4 50.0% — — — — — — — — — — — — — — — — —
19 2017 13 13 26 50.0% 2 5 7 28.6% 4 4 8 50.0% — — — — — — — — — — — — —
20 2018 29 13 42 69.0% 5 4 9 55.6% 6 3 9 66.7% 2017 — — — — — — — — 0 1 1 0.0%
21 2019 30 7 37 81.1% 9 4 13 69.2% 1 2 3 33.3% 2018 3 5 8 37.5% — — — — 3 3 6 50.0%
22 2020 16 3 19 84.2% — — — — — — — — 2019 2 3 5 40.0% — — — — — — — —
23 2021 18 5 23 78.3% 2 3 5 40.0% — — — — 2020 1 2 3 33.3% — — — — — — — —
24 2022 14 9 23 60.9% 1 2 3 33.3% — — — — 2021 4 8 12 33.3% — — — — 4 2 6 66.7%
25 — — — — — — — — — — — — — 2022 2 4 6 33.3% — — — — 7 4 11 63.6%
26 2024 13 9 22 59.1% 5 5 10 50.0% 3 3 6 50.0% 2023 4 7 11 36.4% — — — — 7 3 10 70.0%
27 2025 24 9 33 72.7% 3 3 6 50.0% 3 3 6 50.0% 2024 21 13 34 61.8% 0 4 4 0.0% 8 3 11 72.7%
28 2026 15 8 23 65.2% 7 3 10 70.0% 8 2 10 80.0% 2025 5 12 17 29.4% 2 3 5 40.0% 4 3 7 57.1%
29 — — — — — — — — — — — — — 2026 16 11 27 59.3% 4 5 9 44.4% 3 3 6 50.0%
Career — 192 91 283 67.8% 36 31 67 53.7% 25 17 42 59.5% — 58 65 123 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 355/391 of Naomi Osaka's and 189/200 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 Naomi Osaka 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 2014 4/4 4.3 1.8 55.4% 65.3% 44.8% 33.6% 49.2% 55.5% 41.0% — —/— — — — — — — — — —
18 2016 33/33 4.8 2.5 55.2% 69.6% 48.3% 54.8% 51.5% 59.9% 43.8% — —/— — — — — — — — — —
19 2017 40/41 4.2 2.5 55.9% 67.2% 45.7% 45.6% 46.3% 57.5% 40.2% — —/— — — — — — — — — —
20 2018 55/60 4.7 2.1 59.7% 71.1% 48.8% 55.8% 55.7% 61.9% 45.3% 2017 1/1 6.0 2.0 57.5% 68.0% 43.2% 44.4% 50.0% 57.5% 38.4%
21 2019 50/53 7.0 1.9 60.2% 73.1% 47.9% 56.3% 51.0% 63.1% 44.4% 2018 12/14 4.3 2.5 57.6% 63.2% 48.6% 49.8% 43.7% 56.6% 39.4%
22 2020 18/19 7.8 2.5 59.0% 76.0% 53.0% 64.2% 43.2% 66.5% 42.5% 2019 5/5 5.8 4.8 57.0% 73.0% 43.6% 62.8% 41.0% 60.2% 36.6%
23 2021 21/28 6.5 2.8 53.5% 76.2% 52.2% 59.4% 52.6% 64.9% 43.6% 2020 3/3 2.0 5.0 52.9% 64.6% 48.7% 51.9% 66.3% 56.7% 37.0%
24 2022 22/26 5.7 2.5 51.4% 76.9% 47.4% 61.9% 44.1% 62.7% 41.4% 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 2024 36/38 6.5 2.7 54.0% 75.1% 51.1% 56.3% 50.1% 64.0% 40.4% 2023 21/21 3.9 5.2 58.0% 67.7% 43.8% 59.7% 49.1% 58.0% 43.6%
27 2025 34/46 6.6 2.9 56.9% 74.7% 49.3% 52.5% 53.6% 63.5% 45.2% 2024 48/49 3.6 5.3 56.3% 72.2% 45.5% 54.3% 46.4% 60.7% 42.8%
28 2026 42/43 5.8 2.5 58.6% 72.8% 49.3% 54.5% 46.9% 63.1% 42.2% 2025 24/29 2.7 6.3 59.0% 62.3% 39.7% 47.0% 50.3% 53.4% 41.0%
29 — —/— — — — — — — — — — 2026 40/43 1.9 5.5 59.6% 66.4% 40.6% 50.1% 49.2% 56.4% 43.1%
Career — 355/393 5.8 2.4 57.0% 72.6% 48.9% 54.8% 50.2% 62.3% 43.0% — 189/200 3.1 5.0 58.0% 67.6% 43.6% 53.0% 47.9% 57.7% 41.7%

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 Naomi Osaka 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
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 — — — — — — — — — — — — — — — —
17 2015 1509 102.0 — — — — — — — 20.0% -1.80 0–1 — — 0.00 — — — — — — — — — — — — — — — —
18 2016 1700 133.1 +3.18 +0.66 1.091 51.9% -10 -101 — 60.0% +0.65 4–5 (44%) 5–6 (45%) 101.0 +0.04 — — — — — — — — — — — — — — — —
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 2016 1493 97.3 — — — — — — — — — — — — —
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 2017 1483 99.7 +1.01 -1.68 0.903 47.3% — — — 33.3% -0.67 0–1 — — +0.04
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 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 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 2019 1612 116.7 +1.64 -0.86 0.919 48.0% -15 — — 50.0% -0.10 1–1 1–0 — -0.20
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 2020 1613 109.1 -0.24 -1.93 0.856 47.8% -3 — — 28.6% -0.57 1–0 0–1 — -0.13
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 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 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 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 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 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 2026 2030 160.5 +5.23 +0.68 1.144 52.8% -1 -84 -91 66.3% +1.11 9–3 (75%) 9–4 (69%) 109.8 -0.99 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 1792 140.8 -0.24 +0.28 0.987 49.7% +16 -147 +123 50.0% +0.03 9–5 (64%) 4–4 (50%) 103.9 -1.42
Career — 2179 158.0 +4.73 +0.79 1.142 52.6% +34 -153 -148 62.7% +0.95 71–38 (65%) 50–46 (52%) 107.7 -1.65 — 1859 138.5 +0.64 -0.36 0.986 49.7% -10 -172 +139 49.2% -0.03 39–28 (58%) 21–22 (49%) 106.5 -1.43

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.