Naomi Osaka vs Elise Mertens Prediction & H2H | String Tension

Naomi Osaka

Rank: 13Elo: 2031Age: 28

7 - 4

Head-to-Head

Elise Mertens

Rank: 20Elo: 1859Age: 30

Match Prediction

Naomi

Osaka

Overall: 2031

Hard: 1852

VS

Elise

Mertens

Overall: 1859

Hard: 1601

String Tension Elo Prediction:

Osaka 67.9%

-212

String Tension

ELO Comparison

Match History (11 Matches)

Showing 1 to 10 of 11 matches

U.S. OpenSep 4, 2026

3rd Round · Hard

N. Osaka

637

E. Mertens

365

National Bank Open - TorontoAug 8, 2026

3rd Round · Hard

N. Osaka

66

E. Mertens

12

Bad Homburg OpenJun 23, 2026

2nd Round · Grass

N. Osaka

66

E. Mertens

33

TorontoAug 5, 2024

Round of 32 · Hard

N. Osaka

34

E. Mertens

66

s HertogenboschJun 10, 2024

Round of 32 · Grass

N. Osaka

66

E. Mertens

24

Indian WellsMar 6, 2024

Round of 32 · Hard

N. Osaka

54

E. Mertens

76

MiamiMar 22, 2021

Round of 16 · Hard

N. Osaka

66

E. Mertens

33

Gippsland TrophyJan 31, 2021

Semi-Finals · Hard

—

CincinnatiAug 24, 2020

Semi-Finals · Hard

N. Osaka

67

E. Mertens

26(5)

OsakaSep 16, 2019

Semi-Finals · Hard

N. Osaka

66

E. Mertens

41

Date	Tournament	Winner	Score
Sep 4, 2026	U.S. Open\| 3rd Round Hard	Naomi Osaka	637 365
Aug 8, 2026	National Bank Open - Toronto\| 3rd Round Hard	Naomi Osaka	66 12
Jun 23, 2026	Bad Homburg Open\| 2nd Round Grass	Naomi Osaka	66 33
Aug 5, 2024	Toronto\| Round of 32 Hard	Elise Mertens	66 34
Jun 10, 2024	s Hertogenbosch\| Round of 32 Grass	Naomi Osaka	66 24
Mar 6, 2024	Indian Wells\| Round of 32 Hard	Elise Mertens	76 54
Mar 22, 2021	Miami\| Round of 16 Hard	Naomi Osaka	66 33
Jan 31, 2021	Gippsland Trophy\| Semi-Finals Hard	Elise Mertens	—
Aug 24, 2020	Cincinnati\| Semi-Finals Hard	Naomi Osaka	67 26(5)
Sep 16, 2019	Osaka\| Semi-Finals Hard	Naomi Osaka	66 41

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Recent Matches

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Detailed Stats Comparison

2026 Season Stats

Naomi Osaka

vs

Elise Mertens

Naomi Osaka

Season

Elise Mertens

28–11

72% win

29–18

62% win

Serve

5.9

Aces/Match

4.3

2.5

Double Faults/Match

4.2

58%

1st Serve %

58%

72%

1st Serve Won %

71%

50%

2nd Serve Won %

46%

Return

43%

Return Points Won %

45%

3.3/7.0 (47%)

Break Point Offense

3.7/7.7 (48%)

3.3/5.6 (58%)

Break Point Defense

3.7/6.4 (57%)

Season stats are from 2026.