H2H data updated: 2026-07-18 07:17 UTC

Naomi Osaka vs Elise Mertens H2H: 5-4

Naomi Osaka holds a 5–4 lead over Elise Mertens in their WTA head-to-head. Across 9 main-draw meetings, Elise Mertens leads 4–3 on hard courts, while Naomi Osaka leads 2–0 on grass. Most recently, Naomi Osaka won the 2026 Bad Homburg fourth round 6-3 6-3.

JPN Age 28 Right-Handed 180 cm / 5'11"
H2H
5 4
9 main draw meetings
BEL Age 30 Right-Handed 179 cm / 5'10"

H2H Match Log

DateTournamentCategoryRoundSurfaceWinnerScoreLoserMatch
Jun 23, 2026 Bad Homburg WTA 500 R16 Grass Naomi Osaka #15 6-3 6-3 Elise Mertens #26 Match data
Aug 9, 2024* Toronto WTA 1000 R32 Hard Elise Mertens #35 6-3 6-4 Naomi Osaka #95 Match data
Jun 13, 2024* S Hertogenbosch WTA 250 R32 Grass Naomi Osaka #125 6-2 6-4 Elise Mertens #32 Match data
Mar 11, 2024* Indian Wells WTA 1000 R32 Hard Elise Mertens #28 7-5 6-4 Naomi Osaka #287 Match data
Mar 30, 2021* Miami WTA 1000 R16 Hard Naomi Osaka #2 6-3 6-3 Elise Mertens #17 Match data
Feb 5, 2021* Gippsland Trophy WTA 500 SF Hard Elise Mertens #20 (w/o) Naomi Osaka #3 Match data
Aug 28, 2020* Cincinnati WTA 1000 SF Hard Naomi Osaka #10 6-2 7-6(5) Elise Mertens #22 Match data
Sep 21, 2019* Osaka WTA 250 SF Hard Naomi Osaka #4 6-4 6-1 Elise Mertens #24 Match data
Sep 26, 2017* Wuhan WTA 1000 R64 Hard Elise Mertens #38 6-4 1-6 6-4 Naomi Osaka #61 Match data

* Estimated match date where the exact historical date is unavailable.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 Finals 500 250 Titles
Naomi Osaka #13 #1 7,985 2,140 240 130 64.9% 4 2 0 0 2 8
Elise Mertens #24 #12 3,685 2,013 311 199 61.0% 0 1 0 1 8 10

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 Elise Mertens
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2014 2–2 50.0% #260 1,531 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 1,697 0 0
20 2018 39–19 67.2% #5 1,904 1 2 2016 3–3 50.0% #125 1,546 0 0
21 2019 40–13 75.5% #3 2,030 2 5 2017 30–22 57.7% #35 1,737 0 1
22 2020 16–3 84.2% #3 2,082 3 6 2018 43–19 69.4% #12 1,821 0 4
23 2021 18–7 72.0% #13 2,002 4 7 2019 33–24 57.9% #17 1,836 0 5
24 2022 15–11 57.7% #42 1,894 4 7 2020 32–13 71.1% #20 1,934 0 5
25 2021 33–18 64.7% #21 1,856 0 6
26 2024 21–16 56.8% #57 1,883 4 7 2022 28–21 57.1% #29 1,795 0 7
27 2025 31–14 68.9% #16 1,968 4 8 2023 26–21 55.3% #29 1,819 0 8
28 2026 19–8 70.4% #13 2,044 4 8 2024 27–25 51.9% #34 1,788 0 8
29 2025 36–20 64.3% #20 1,866 0 10
30 2026 20–13 60.6% #24 1,908 0 10