Stefan Kozlov vs Yibing Wu — Newport Round of 32

Newport · CHALLENGER · Round of 32
Stefan Kozlov
USAQ
Stefan Kozlov
#296ATP
1429ELO
1414Grass ELO
28 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLLWLLWW
2 — 1
Sets
Thursday, 9 July 2026 ·
grass
Yibing Wu
CHN5
Yibing Wu
#118ATP
1743ELO
1517Grass ELO
$477kYTD
$1.9MCAREER
26 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLWWWLLLW
Kozlov S.
6-4 2-6 6-4
Wu Y.
Kozlov S.
6262
Wu Y.
4641

Stefan Kozlov defeated Yibing Wu in the Round of 32 at the Newport grass tournament. The match ended with a score of 6-4, 2-6, 6-4 in favor of Kozlov. Kozlov converted 3 service breaks to Wu's 5, and had a first-serve win percentage of 55 compared to Wu's 77.

Key context

  • Match story: Stefan Kozlov closed it out in three sets, 6–4 2–6 6–4.

Head to head

No previous meetings on record.

Statistics

This season
Kozlov S.Wu Y.
1st serve in·Even
58%
59%
1st serve points won·Even
69%
71%
2nd serve points won·Slight edge
48%
54%
Service points won·Even
60%
64%
Return points won·Even
41%
39%
Break points saved·Even
55%
59%
Aces / match·Clear edge
2.7
4.5
Double faults / match·Dominant
3.8
2.1

Averages over each player's completed matches in the selected window (32 vs 30). ATP, WTA & Challenger.

Clutch

Under pressure
Kozlov S.Wu Y.
Clutch Rating·Dominant
11
71
Break points saved·Dominant
29
92
Break points won·Even
35
39
Deciding sets·Dominant
54
92
Tiebreaks·Dominant
7
90

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

Win Probability

Pre-match · updated 14:50 UTC
Kozlov S.8%
Wu Y.92%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Wu Y. heavily favoured

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
Kozlov S.
5.6
Slight disadvantageUmpiry Score
Wu Y.
6.0
Even matchUmpiry Score
Form & Matchup
3.7Grass Elo 1414
Surface ELO
6.3+103 Grass Elo edge
1.1Overall Elo 1429
ELO gap
8.9Overall Elo 1743
5.0First meeting on grass
H2H
5.0First meeting on grass
5.85 of last 10 on grass
Surface form
1.72 of last 10 on grass
Win streak
0.0Lost last 3
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
7.01 three-setter in 14 days
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play here last year

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
Kozlov S.Wu Y.
Freshness·Even
83
86

Kozlov S.: 6 days rest · 2 matches, 54 games (7d) · Wu Y.: 6 days rest · 1 match, 21 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Weather
26°CClear
Wind 16 km/hHumidity 82%

Draw