Elise Mertens vs Naomi Osaka: Head-to-Head Record

Elise Mertens

Belgium

3–6
9 meetings
Naomi Osaka

Japan

Hard: 3–4Grass: 0–2
Weighted by importance & recency
2.5–6.5
The same matches re-weighted by what was at stake and how recently — a Grand Slam final this year counts for more than an early round a decade ago.
Elise Mertens
3–6
Naomi Osaka

Elise Mertens and Naomi Osaka have met 9 times on the professional tour. Naomi Osaka leads the head-to-head 6–3. Their most recent meeting came at Toronto in 2026.

Common opponents

Last 12 months

Mertens E. and Osaka N. faced 10 of the same opponents in the last 12 months. Mertens E. went 5–7 (42%) against them, Osaka N. 8–5 (62%). Osaka N. came out better against 4 of 8 comparable opponents, Mertens E. against 2 — though 1 of those edges carries caveats (retirement).

5–7 · 42%Mertens E. · better vs 2
Record vs common opponents
8–5 · 62%Osaka N. · better vs 4
Vs common opponents · derived from scorelines
13–14Sets16–12
119–121Games142–116
1–1Tiebreaks1–3
0–3Deciding sets2–1
Mertens E. better · different surfaces (Grass × Hard)▾
Osaka N. better · same surface▾
Osaka N. better · different surfaces (Clay × Grass) · ⚠ retirement-shortened match▾
Osaka N. better · same surface▾
Mertens E. better · different surfaces (Grass × Hard)▾
Osaka N. better · different surfaces (Hard × Grass)▾
Both won · different surfaces (Clay × Hard)▾
Both won · different surfaces (Grass × Clay)▾
Hard to compare — different surface & timing
Both lost · hard to compare — different surfaces (Grass × Hard) · 9 months apart▾
Mixed · hard to compare — different surfaces (Hard × Grass) · 10 months apart▾
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Elise Mertens vs Naomi Osaka stats comparison

Ratings

#22 WTARanking#13 WTA
1894Elo (overall)1987
1847Hard Elo1922
1811Clay Elo1886
1750Grass Elo1793

Form

LLWLWWWWLWLast 10LWWWLWWLWW
2026 win rate·Slight edge
61%
72%
02026 titles0

Clutch

Under pressure
Elise MertensNaomi Osaka
Clutch Rating·Clear edge
69
93
Break points saved·Clear edge
65
85
Break points won·Even
97
98
Deciding sets·Dominant
63
97
Tiebreaks·Clear edge
71
86

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Freshness

Recent load
Elise MertensNaomi Osaka
Freshness·Even
85
87

Elise Mertens: 4 days rest · 1 match, 24 games (7d) · Naomi Osaka: 8 days rest · 4 matches (14d). Higher means fresher. About

Serve vs return

Recent form
Elise Mertensserving74% hold

wins 60% of points on serve vs Naomi Osaka

Naomi Osakaserving79% hold

wins 63% of points on serve vs Elise Mertens

Serve advantage — Naomi Osaka

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Set records · last ~30 matches

First sets won·Dominant
53%
80%
Deciding sets won·Slight edge
50%
60%

Career

Career win rate·Even
62%
65%
10Career titles7
0Grand Slam titles4

Profile

30Age28
179 cmHeight180 cm
RightPlaysRight

Set records use each player's last ~30 completed matches; form shows the last 10 results. Ratings come from the same data that powers the Umpiry Score.

All 9 meetings

Frequently asked questions

Who leads the head-to-head between Elise Mertens and Naomi Osaka?

Naomi Osaka leads the head-to-head against Elise Mertens 6–3 after 9 meetings.

How many times have Elise Mertens and Naomi Osaka played each other?

Elise Mertens and Naomi Osaka have played each other 9 times on the professional tour.

When did Elise Mertens and Naomi Osaka last play each other?

Their most recent meeting came at Toronto in 2026, where Naomi Osaka won.