Naomi Osaka vs Sorana CirsteaAustralian Open Round of 64

Australian Open · WTA · Round of 64
#13WTA
1987ELO
1922Hard ELO
$1.1MYTD
$26MCAREER
28 yrs · 180 cm · Right-handed
Last 10 · pre-match
LWWWWLWWWW
2 — 1
Sets
Monday, 19 January 2026
hard
#17WTA
1957ELO
1914Hard ELO
$1.5MYTD
$12MCAREER
36 yrs · 176 cm · Right-handed
Last 10 · pre-match
LWWLWLWWWW
Osaka N.
6-3 4-6 6-2
Cirstea S.
Osaka N.
6462
Cirstea S.
3621

Naomi Osaka defeated Sorana Cirstea 6-3 4-6 6-2 in the Australian Open round of 64 on hard. The result followed the form book — Naomi Osaka came in ranked #13, defending last year's round of 32.

Key context

  • Match story: Naomi Osaka closed it out in three sets, 6–3 4–6 6–2.

Head to head

No previous meetings on record.

Serve vs return

This season
Osaka N.serving74% hold

wins 60% of points on serve vs Cirstea S.

Cirstea S.serving85% hold

wins 66% of points on serve vs Osaka N.

Serve advantage — Cirstea S.

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

Serve & return on hard

Osaka N.Cirstea S.
70
Serve
67
60
Return
70

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
1st serve in·Even
62%
58%
1st serve points won·Even
70%
70%
2nd serve points won·Slight edge
48%
53%
Service points won·Even
61%
63%
Return points won·Even
41%
45%
Break points saved·Even
65%
61%
Aces / match·Slight edge
6.4
5.0
Double faults / match·Slight edge
2.3
1.7

Averages over each player's completed matches in the selected window (7 vs 28). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Slight edge
91
85
Break points saved·Slight edge
96
86
Break points won·Slight edge
97
92
Deciding sets·Clear edge
99
85
Tiebreaks·Even
95
96

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

Umpiry Score

Pre-match
6.4
Marginal edgeUmpiry Score
7.0
Strong advantageUmpiry Score
Form & Matchup
5.0+7 Hard Elo edge
Surface ELO
5.0Hard Elo 1914
5.2Overall Elo 1987
ELO gap
4.8Overall Elo 1957
5.0No prior meetings
H2H
5.0
5.2
Surface form
7.3
Win streak
7.04-match win streak
Fatigue & Travel
6.4
Country comfort
4.7
Context
6.0
Defending pts
6.0

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

Freshness

Recent load
Freshness·Slight edge
85
90

Osaka N.: 6 days rest · 1 match, 23 games (7d) · Cirstea S.: 9 days rest · 3 matches (14d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
31°CPartly cloudy
Wind 5 km/hHumidity 28%

Draw

R128
Siegemund L.
Samsonova L.[18]
0-67-56-4
Hon P.
Stakusic M.
1-66-45-3
Klimovicova L.
Jones F.
6-23-2
Fruhvirtova L.
Sun L.
6-37-5
Jovic I.[29]
Volynets K.
6-26-3
Jacquemot E.
Kostyuk M.[20]
6-747-647-67
Gracheva V.
Golubic V.
6-12-66-1
Gibson T.
Blinkova A.
6-16-3
Frech M.
Erjavec V.
6-16-1
Kudermetova P.
Maristany Zuleta De Reales G.
6-26-3
Bencic B.[10]
Boulter K.
6-07-5
Muchova K.[19]
Cristian J.
6-37-66
Badosa P.[25]
Diyas Z.
6-26-4
Danilovic O.
Williams V.
6-756-36-4
Pliskova K.
Stephens S.
7-676-2
Andreeva M.[8]
Vekic D.
4-66-36-0
Keys M.[9]
Oliynykova O.
7-666-1
Mcnally C.
Sakatsume H.
6-36-1
Noskova L.[13]
Semenistaja D.
6-36-0
Anisimova A.[4]
Waltert S.
6-36-2
Selekhmeteva O.
Seidel E.
6-33-66-0
Swiatek I.[2]
Yuan Y.
7-656-3
Parks A.
Eala A.
0-66-36-2
Ostapenko J.[24]
Sramkova R.
6-46-4
Rybakina E.[5]
Juvan K.
6-46-3
Sonmez Z.
Alexandrova E.[11]
7-54-66-4
Mboko V.[17]
Jones E.
6-46-1
Potapova A.
Lamens S.
3-67-56-2
Inglis M.
Birrell K.
7-666-796-4
Bondar A.
Mandlik E.
6-06-4
Uchijima M.
Sierra S.
6-36-1
Valentova T.
Joint M.[30]
6-46-4
Tomljanovic A.
Starodubtseva Y.
4-67-636-1
Hunter S.
Bouzas Maneiro J.
6-46-4
Bouzkova M.
Zarazua R.
6-27-5
Gauff C.[3]
Rakhimova K.
6-26-3
Wang X.
Kalinina A.
6-36-3
Putintseva Y.
Haddad Maia B.
3-67-56-3
Tjen J.
Fernandez L.[22]
6-27-61
Sabalenka A.[1]
Rakotomanga Rajaonah T.
6-46-1
Mertens E.[21]
Tararudee L.
7-56-1
Ruse E.
Yastremska D.[26]
6-47-5
Tauson C.[14]
Galfi D.
6-36-3
Li A.
Osorio C.
6-46-757-5
Bai Z.
Pavlyuchenkova A.
6-42-67-610
Sakkari M.
Jeanjean L.
6-46-2
Pegula J.[6]
Zakharova A.
6-26-1
Grabher J.
Cocciaretto E.
7-52-66-4
Baptiste H.
Townsend T.
6-36-736-3
Shnaider D.[23]
Krejcikova B.
2-66-36-3
Stearns P.
Kenin S.[27]
6-36-2
Kalinskaya A.[31]
Kartal S.
7-636-1
Preston T.
Zhang S.
6-32-66-3
Krueger A.
Bejlek S.
6-36-3
Marcinko P.
Maria T.
6-37-5
Svitolina E.[12]
Bucsa C.
6-46-1
Osaka N.[16]
Ruzic A.
6-33-66-4
Linette M.
Navarro E.[15]
3-66-36-3
Kessler M.
Arango E.
6-36-2
Siniakova K.
Udvardy P.
6-16-2
Raducanu E.[28]
Sawangkaew M.
6-46-1
Cirstea S.
Lys E.
3-66-46-3
Bartunkova N.
Kasatkina D.
7-670-66-3
Paolini J.[7]
Sasnovich A.
6-16-2