Sofia Costoulas vs Kaitlin QuevedoAuckland Round of 16

Auckland · WTA · Round of 16
#157WTA
1565ELO
1569Hard ELO
21 yrs
Last 10 · pre-match
LLLWWLWLWW
2 — 0
Sets
Monday, 5 January 2026
hard
#100WTA
1757ELO
1655Hard ELO
20 yrs · Right-handed
Last 10 · pre-match
WLWWWLWLWW
Costoulas S.
6-2 6-0
Quevedo K.
Costoulas S.
662
Quevedo K.
200

Sofia Costoulas defeated Kaitlin Quevedo 6-2 6-0 in the Auckland round of 16 on hard. The upset overturned the form book — Kaitlin Quevedo came in ranked #100.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Costoulas S.serving73% hold

wins 60% of points on serve vs Quevedo K.

Quevedo K.serving70% hold

wins 59% of points on serve vs Costoulas S.

Even serve battle

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
1st serve in·Even
60%
61%
1st serve points won·Slight edge
69%
64%
2nd serve points won·Slight edge
43%
49%
Service points won·Even
59%
58%
Return points won·Even
45%
45%
Break points saved·Even
53%
54%
Aces / match·Even
3.2
2.9
Double faults / match·Even
2.8
2.7

Averages over each player's completed matches in the selected window (34 vs 23). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
83
54
Break points saved·Dominant
83
30
Break points won·Slight edge
82
77
Deciding sets·Even
96
97
Tiebreaks·

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

Umpiry Score

Pre-match
5.1
Clear underdogUmpiry Score
  • Extended break: 42 days (−0.7)
4.9
Heavy underdogUmpiry Score
  • Extended break: 70 days (−1.2)
Form & Matchup
4.9Hard Elo 1569
Surface ELO
5.1+85 Hard Elo edge
4.5Overall Elo 1565
ELO gap
5.5Overall Elo 1757
5.0No prior meetings
H2H
5.0
5.4
Surface form
6.6
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
Freshness·Dominant
100
69

Costoulas S.: 21 days rest · Quevedo K.: 4 days rest · 3 matches, 81 games (7d). Higher means fresher. About

Conditions

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