Naomi Osaka vs Antonia Ruzic — Australian Open Round of 128

Australian Open · WTA · Round of 128
Naomi Osaka
JPN16
Naomi Osaka
#14WTA
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
Antonia Ruzic
CRO
Antonia Ruzic
#61WTA
1739ELO
1717Hard ELO
23 yrs · Right-handed
Last 10 · pre-match
LWLLWWLWWL
Osaka N.
6-3 3-6 6-4
Ruzic A.
Osaka N.
6362
Ruzic A.
3641

Naomi Osaka defeated Antonia Ruzic 6-3 3-6 6-4 in the Australian Open round of 128 on hard. The result followed the form book — Naomi Osaka came in ranked #14, defending last year's round of 32.

Key context

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

Head to head

No previous meetings on record.

Serve vs return

This season
Osaka N.serving80% hold

wins 63% of points on serve vs Ruzic A.

Ruzic A.serving69% hold

wins 58% of points on serve vs Osaka N.

Serve advantage — Osaka N.

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.Ruzic A.
70
Serve
28
60
Return
40

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

Statistics

This season
Osaka N.Ruzic A.
1st serve in·Even
62%
64%
1st serve points won·Slight edge
70%
59%
2nd serve points won·Even
48%
46%
Service points won·Slight edge
61%
54%
Return points won·Even
41%
42%
Break points saved·Slight edge
65%
60%
Aces / match·Dominant
6.4
1.8
Double faults / match·Dominant
2.3
3.8

Averages over each player's completed matches in the selected window (7 vs 21). ATP, WTA & Challenger.

Clutch

Under pressure
Osaka N.Ruzic A.
Clutch Rating·Slight edge
91
82
Break points saved·Clear edge
96
84
Break points won·Even
97
96
Deciding sets·Clear edge
99
82
Tiebreaks·
95
—

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

Umpiry Score

Pre-match
Osaka N.
7.0
Strong advantageUmpiry Score
Ruzic A.
6.4
Marginal edgeUmpiry Score
Form & Matchup
7.4+205 Hard Elo edge
Surface ELO
2.6Hard Elo 1717
7.7Overall Elo 1987
ELO gap
2.3Overall Elo 1739
5.0No prior meetings
H2H
5.0
5.2
Surface form
7.1
Fatigue & Travel
Minutes 14d
6.5
Prev. match
9.0
6.4
Country comfort
Context
6.0
Defending pts
5.0

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
Osaka N.Ruzic A.
Freshness·Clear edge
79
95

Osaka N.: 4 days rest · 2 matches, 44 games (7d) · Ruzic A.: 10 days rest · 2 matches (14d). Higher means fresher. About

Conditions

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

Draw

Final
Rybakina E.[5]
Sabalenka A.[1]
6-44-66-4
Semi-finals
Sabalenka A.[1]
Svitolina E.[12]
6-26-3
Rybakina E.[5]
Pegula J.[6]
6-37-67
Quarter-finals
Svitolina E.[12]
Gauff C.[3]
6-16-2
Pegula J.[6]
Anisimova A.[4]
6-27-61
Rybakina E.[5]
Swiatek I.[2]
7-56-1
Sabalenka A.[1]
Jovic I.[29]
6-36-0
R16
Gauff C.[3]
Muchova K.[19]
6-13-66-3
Anisimova A.[4]
Wang X.
7-646-4
Swiatek I.[2]
Inglis M.
6-06-3
Sabalenka A.[1]
Mboko V.[17]
6-17-61
Svitolina E.[12]
Andreeva M.[8]
6-26-4
Pegula J.[6]
Keys M.[9]
6-36-4
Rybakina E.[5]
Mertens E.[21]
6-16-3
Jovic I.[29]
Putintseva Y.
6-06-1
R32
Gauff C.[3]
Baptiste H.
3-66-06-3
Inglis M.
Osaka N.[16]
W/O
Sabalenka A.[1]
Potapova A.
7-647-67
Rybakina E.[5]
Valentova T.
6-26-3
Wang X.
Noskova L.[13]
7-56-4
Putintseva Y.
Sonmez Z.
6-36-736-3
Andreeva M.[8]
Ruse E.
6-36-4
Muchova K.[19]
Linette M.
6-16-1
Jovic I.[29]
Paolini J.[7]
6-27-63
Mboko V.[17]
Tauson C.[14]
7-655-76-3
Anisimova A.[4]
Stearns P.
6-16-4
Pegula J.[6]
Selekhmeteva O.
6-36-2
Mertens E.[21]
Bartunkova N.
6-06-4
Keys M.[9]
Pliskova K.
6-36-3
Swiatek I.[2]
Kalinskaya A.[31]
6-11-66-1
Svitolina E.[12]
Shnaider D.[23]
7-646-3
R64
Muchova K.[19]
Parks A.
4-66-46-4
Mboko V.[17]
Mcnally C.
6-46-3
Kalinskaya A.[31]
Grabher J.
6-36-3
Linette M.
Li A.
6-36-3
Bartunkova N.
Bencic B.[10]
6-30-66-4
Andreeva M.[8]
Sakkari M.
6-06-4
Stearns P.
Marcinko P.
6-27-5
Tauson C.[14]
Kudermetova P.
6-33-67-5
Jovic I.[29]
Hon P.
6-16-2
Gauff C.[3]
Danilovic O.
6-26-2
Swiatek I.[2]
Bouzkova M.
6-26-3
Osaka N.[16]
Cirstea S.
6-34-66-2
Ruse E.
Tomljanovic A.
6-46-4
Noskova L.[13]
Preston T.
6-24-66-2
Sabalenka A.[1]
Bai Z.
6-36-1
Pegula J.[6]
Kessler M.
6-06-2
Shnaider D.[23]
Gibson T.
3-67-56-3
Valentova T.
Fruhvirtova L.
7-52-66-3
Sonmez Z.
Bondar A.
6-26-4
Svitolina E.[12]
Klimovicova L.
7-56-1
Inglis M.
Siegemund L.
6-46-737-67
Mertens E.[21]
Uchijima M.
6-36-1
Anisimova A.[4]
Siniakova K.
6-16-4
Potapova A.
Raducanu E.[28]
7-636-2
Keys M.[9]
Krueger A.
6-17-5
Paolini J.[7]
Frech M.
6-26-3
Wang X.
Ostapenko J.[24]
4-66-46-4
Rybakina E.[5]
Gracheva V.
7-56-2
Pliskova K.
Tjen J.
6-46-4
Baptiste H.
Hunter S.
6-26-1
Putintseva Y.
Jacquemot E.
6-16-2
Selekhmeteva O.
Badosa P.[25]
6-46-4
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