Sofia Costoulas vs Whitney Osuigwe — Auckland Round of 32

Auckland · WTA · Round of 32
BEL
Sofia Costoulas
#156WTA
1565ELO
1569Hard ELO
21 yrs
Last 10 · pre-match
LLLWWLWLWW
2 — 1
Sets
Monday, 5 January 2026
hard
Whitney Osuigwe
USA
Whitney Osuigwe
#183WTA
1489ELO
1454Hard ELO
24 yrs · 168 cm · Right-handed
Last 10 · pre-match
LLWLWWWLLL
Costoulas S.
6-4 3-6 6-1
Osuigwe W.
Costoulas S.
6362
Osuigwe W.
4611

Sofia Costoulas defeated Whitney Osuigwe 6-4 3-6 6-1 in the Auckland round of 32 on hard.

Key context

  • Match story: Sofia Costoulas came through a tight passage before pulling clear — 6–4 3–6 6–1.

Head to head

No previous meetings on record.

Serve vs return

This season
Costoulas S.serving71% hold

wins 59% of points on serve vs Osuigwe W.

Osuigwe W.serving64% hold

wins 56% of points on serve vs Costoulas S.

Baseline battle — serve is shaky, expect plenty of breaks

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

Statistics

This season
Costoulas S.Osuigwe W.
1st serve in·Slight edge
60%
66%
1st serve points won·Slight edge
69%
60%
2nd serve points won·Even
44%
45%
Service points won·Even
59%
55%
Return points won·Even
45%
46%
Break points saved·Even
54%
54%
Aces / match·Clear edge
3.4
1.8
Double faults / match·Clear edge
2.9
4.1

Averages over each player's completed matches in the selected window (34 vs 31). ATP, WTA & Challenger.

Clutch

Under pressure
Costoulas S.Osuigwe W.
Clutch Rating·Dominant
83
24
Break points saved·Dominant
83
18
Break points won·Slight edge
82
88
Deciding sets·Dominant
96
44
Tiebreaks·
—
—

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

Umpiry Score

Pre-match
Costoulas S.
5.5
Slight disadvantageUmpiry Score
  • Extended break: 42 days (−0.7)
Osuigwe W.
3.5
Heavy underdogUmpiry Score
  • Extended break: 63 days (−1.2)
Form & Matchup
6.5+116 Hard Elo edge
Surface ELO
3.5Hard Elo 1454
6.1Overall Elo 1565
ELO gap
3.9Overall Elo 1489
5.0No prior meetings
H2H
5.0
5.4
Surface form
2.1
Win streak
0.0Lost last 3
Context
5.0
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
Costoulas S.Osuigwe W.
Freshness·Even
100
100

Costoulas S.: 18 days rest · Osuigwe W.: 18 days rest. Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather
22°CDrizzle
Wind 4 km/hHumidity 70%

Draw

Final
Svitolina E.[1]
Wang X.[7]
6-37-66
Semi-finals
Svitolina E.[1]
Jovic I.[3]
7-656-2
Wang X.[7]
Eala A.[4]
5-77-56-4
Quarter-finals
Wang X.[7]
Jones F.
6-44-3
Svitolina E.[1]
Kartal S.
6-46-727-65
Eala A.[4]
Linette M.[5]
6-36-2
Jovic I.[3]
Costoulas S.
6-27-66
R16
Jones F.
Kraus S.
1-66-46-1
Eala A.[4]
Marcinko P.
6-06-2
Jovic I.[3]
Bejlek S.
7-636-4
Costoulas S.
Quevedo K.
6-26-0
Linette M.[5]
Cocciaretto E.
7-52-66-3
Kartal S.
Seidel E.
6-36-1
Wang X.[7]
Zarazua R.
7-56-4
Svitolina E.[1]
Boulter K.
7-56-4
R32
Svitolina E.[1]
Gracheva V.
6-36-1
Kartal S.
Tjen J.[6]
6-16-746-3
Bejlek S.
Udvardy P.
7-56-1
Costoulas S.
Osuigwe W.
6-43-66-1
Boulter K.
Starodubtseva Y.
6-36-3
Kraus S.
Grabher J.
6-36-3
Jones F.
Navarro E.[2]
7-52-66-4
Jovic I.[3]
Knutson G.
4-66-16-0
Zarazua R.
Stephens S.
7-54-66-2
Quevedo K.
Stearns P.[8]
6-27-5
Eala A.[4]
Vekic D.
4-66-46-4
Cocciaretto E.
Parks A.
6-27-5
Wang X.[7]
Mcnally C.
2-66-37-5
Seidel E.
Barry M.
6-26-1
Marcinko P.
Osorio C.
6-40-67-62
Linette M.[5]
Williams V.
6-44-66-2