Naomi Osaka

Rank: 13Elo: 2031Age: 28

3 - 1

Head-to-Head

Katerina Siniakova

Rank: 42Elo: 1702Age: 30

Match Prediction

Naomi

Osaka

Overall: 2031

Hard: 1852

Katerina

Siniakova

Overall: 1702

Hard: 1585

String Tension Elo Prediction:

Osaka 80.2%

-404

ELO Comparison

Match History (4 Matches)

Showing 1 to 4 of 4 matches

U.S. OpenSep 2, 2026

2nd Round · Hard

N. Osaka

656

K. Siniakova

271

WimbledonJun 28, 2025

2nd Round · Grass

N. Osaka

K. Siniakova

Roland GarrosMay 27, 2019

Round of 32 · Clay

N. Osaka

K. Siniakova

DohaFeb 12, 2018

Round of 64 · Hard

N. Osaka

K. Siniakova

Date	Tournament	Winner	Score
Sep 2, 2026	U.S. Open\| 2nd Round Hard	Naomi Osaka	656 271
Jun 28, 2025	Wimbledon\| 2nd Round Grass	Naomi Osaka	66 32
May 27, 2019	Roland Garros\| Round of 32 Clay	Katerina Siniakova	66 42
Feb 12, 2018	Doha\| Round of 64 Hard	Naomi Osaka	66 40

Recent Matches

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Detailed Stats Comparison

2026 Season Stats

Naomi Osaka

Katerina Siniakova

Naomi Osaka

Season

Katerina Siniakova

28–11

72% win

15–16

48% win

Serve

5.9

Aces/Match

1.7

2.5

Double Faults/Match

4.7

58%

1st Serve %

61%

72%

1st Serve Won %

64%

50%

2nd Serve Won %

46%

Return

43%

Return Points Won %

44%

3.3/7.0 (47%)

Break Point Offense

3.6/8.6 (42%)

3.3/5.6 (58%)

Break Point Defense

5.5/9.0 (61%)

Season stats are from 2026.