Katerina Siniakova vs Naomi Osaka: Head-to-Head Record
Katerina SiniakovaCzechiaHead-to-head
Naomi OsakaJapan1–3
Osaka leads · 4 meetingsHard0–2Clay1–0Grass0–1
Osaka leads
Hard0–2Clay1–0Grass0–1
Katerina Siniakova and Naomi Osaka have met 4 times on the professional tour. Naomi Osaka leads the head-to-head 3–1. Their most recent meeting came at US Open in 2026.
How the two players compare today
Katerina Siniakova vs Naomi Osaka stats comparison
TodaySiniakovaOsaka
#87Official rank#18
1,893Elo2,125
4–6Last 107–3
20Serve76
45Return36
32Clutch91
Katerina Siniakova vs Naomi Osaka stats comparison
#87Official rank#18
1,893Elo2,125
4–6Last 107–3
20Serve76
45Return36
32Clutch91
Current form
Last 10 · most recent firstSiniakova4–6Streak L2
LLWLWLWLLW
Osaka7–3Streak L1
LWWLWWWLWW
Current form
Last 10 · newest first4–6Last 107–3
L2StreakL1
Siniakova
LLWLWLWLLW
Osaka
LWWLWWWLWW
Surface comparison
SiniakovaOsaka
1,893Elo2,125
46%Win % · 12M72%
17–20W–L · 12M33–13
1H2H3
Surface comparison
1,893Elo2,125
46%Win % · 12M72%
17–20W–L · 12M33–13
1H2H3
Serve vs return
Umpiry ratings · 12MSiniakova serve20vsOsaka return36
Edge Osaka +16Siniakova serve vs Osaka return
56%Service points wonreturn points won43%
63%1st-serve points wonwon on return36%
Osaka serve76vsSiniakova return45
Edge Osaka +31Osaka serve vs Siniakova return
63%Service points wonreturn points won43%
72%1st-serve points wonwon on return37%
Serve vs return
Ratings · 12MSiniakova serve20vsOsaka return36
Edge Osaka +16
56%Service points won · return points won43%
63%1st-serve points won · won on return36%
Osaka serve76vsSiniakova return45
Edge Osaka +31
63%Service points won · return points won43%
72%1st-serve points won · won on return37%
Clutch
Last 12 monthsSiniakovaOsaka
59%194 / 327Break points saved61%166 / 272
40%2–3Tiebreaks won67%6–3
31%4–9Deciding sets won75%9–3
Clutch
Last 12 months59%194 / 327Break points saved61%166 / 272
40%2–3Tiebreaks won67%6–3
31%4–9Deciding sets won75%9–3
Freshness
Siniakova · OsakaLast match
2 days agoWuhan · R128vs9 days agoBeijing · R16
Matches · last 30 days
3vs3
Sets · last 14 days
6vs8
Freshness
2 days agoWuhan · R128Last match9 days agoBeijing · R16
3Matches · last 30 days3
6Sets · last 14 days8
Common opponents
6 common opponents · last 12 monthsCombined record vs common opponentsSiniakova3–4 · 43%Osaka8–0 · 100%
Opponent · by rankSiniakovaOsaka
Common opponents
6 common opponents · last 12 monthsCombined3–48–0
OpponentSiniakovaOsaka
All 4 meetings
Last 4 of 4All 4 meetings
Last 4 of 4Career titles57
Grand Slam titles04
Career-high rank#27#1
Career W–L339–285300–158
Age3028
Height174 cm180 cm
PlaysRight-handedRight-handed
CountryCzechiaJapan
Turned proPro—
Osaka leads 3–1
4 meetingsDateTournamentRoundSurfaceWinnerScore
2018Siniakova 0–1
12 Feb 2018DohaWTA 500Round of 64HardOsaka d. Siniakova6–4 6–04 meetings · Siniakova 1–3Walkovers are not counted
Osaka leads 3–1
4 meetings4 meetings
2026Siniakova 0–1
US Open · Round of 643 Sep 2026Osaka d. Siniakova6–2 5–7 6–1Hard·Grand Slam2025Siniakova 0–1
Wimbledon · Round of 6430 Jun 2025Osaka d. Siniakova6–3 6–2Grass·Grand Slam2019Siniakova 1–0
Roland Garros · Round of 3227 May 2019Siniakova d. Osaka6–4 6–2Clay·Grand Slam2018Siniakova 0–1
Doha · Round of 6412 Feb 2018Osaka d. Siniakova6–4 6–0Hard·WTA 500More on Umpiry · about this comparison
Frequently asked
Who leads the head-to-head between Katerina Siniakova and Naomi Osaka?
Naomi Osaka leads the head-to-head against Katerina Siniakova 3–1 after 4 meetings.
How many times have Katerina Siniakova and Naomi Osaka played each other?
Katerina Siniakova and Naomi Osaka have played each other 4 times on the professional tour.
When did Katerina Siniakova and Naomi Osaka last play each other?
Their most recent meeting came at US Open in 2026, where Naomi Osaka won.
How is the head-to-head record counted?
Every completed singles match between the two players counts once: tour level, Grand Slams, Challengers, ITF, team events and qualifying. Retirements count; walkovers do not.
What are the Serve, Return and Clutch ratings?
Umpiry ratings from 0 to 100: where a player ranks on tour over the last 52 weeks, adjusted for opponent strength. Clutch combines break points saved and converted, tiebreaks and deciding sets. A player with too few recent matches has no rating yet.
Why is there no win probability here?
This page compares the two players. The chance to win a specific match, with its surface, round and conditions, is on that match’s detail page.