Stefan Kozlov vs Mathys Erhard — Nottingham CH Round of 16

Nottingham CH · CHALLENGER · Round of 16
Stefan Kozlov
USA7
Stefan Kozlov
#317ATP
1429ELO
1414Grass ELO
28 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWWWLLWWLW
2 — 0
Sets
Monday, 5 January 2026
grass
FRA
Mathys Erhard
#377ATP
1382ELO
1391Grass ELO
24 yrs · 188 cm · Right-handed
Last 10 · pre-match
LWLWWWLWLW
Kozlov S.
6-2 6-4
Erhard M.
Kozlov S.
662
Erhard M.
240

Stefan Kozlov defeated Mathys Erhard 6-2 6-4 in the Nottingham CH round of 16 on grass.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Kozlov S.serving84% hold

wins 66% of points on serve vs Erhard M.

Erhard M.serving83% hold

wins 65% of points on serve vs Kozlov S.

Serve-dominated — both hold easily, expect tiebreaks

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
Kozlov S.Erhard M.
1st serve in·Slight edge
58%
64%
1st serve points won·Even
68%
72%
2nd serve points won·Even
49%
51%
Service points won·Even
60%
64%
Return points won·Slight edge
41%
36%
Break points saved·Slight edge
55%
62%
Aces / match·Clear edge
2.7
4.5
Double faults / match·Dominant
3.9
2.2

Averages over each player's completed matches in the selected window (31 vs 22). ATP, WTA & Challenger.

Clutch

Under pressure
Kozlov S.Erhard M.
Clutch Rating·Clear edge
36
23
Break points saved·Clear edge
49
73
Break points won·Even
20
19
Deciding sets·Dominant
85
37
Tiebreaks·Clear edge
30
11

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

Umpiry Score

Pre-match
Kozlov S.
4.2
Heavy underdogUmpiry Score
  • Extended break: 42 days (−0.7)
  • Surface jump clay↔grass (−0.8)
Erhard M.
4.8
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 42 days (−0.7)
Form & Matchup
5.6+24 Grass Elo edge
Surface ELO
4.4Grass Elo 1391
6.1Overall Elo 1429
ELO gap
3.9Overall Elo 1382
5.0No prior meetings
H2H
5.0
2.9
Surface form
Win streak
0.0
Fatigue & Travel
3.0
Surface transition
7.0
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
Kozlov S.Erhard M.
Freshness·Clear edge
59
81

Kozlov S.: 2 days rest · 4 matches, 106 games (7d) · Erhard M.: 5 days rest · 2 matches, 37 games (7d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Final
Chidekh C.[2]
Monday J.[1]
5-76-27-65
Semi-finals
Monday J.[1]
Kukushkin M.
6-46-2
Chidekh C.[2]
Samuel T.[3]
6-35-76-3
Quarter-finals
Kukushkin M.
Kingsley C.
6-27-5
Samuel T.[3]
Kozlov S.[7]
7-616-4
Chidekh C.[2]
Broom C.
6-36-2
Monday J.[1]
Gentzsch T.[8]
6-16-3
R16
Monday J.[1]
Hussey G.
6-16-2
Gentzsch T.[8]
Krumich M.
4-66-37-63
Kukushkin M.
Negritu C.
6-26-1
Kingsley C.
Gray A.[6]
6-44-66-1
Kozlov S.[7]
Erhard M.
6-26-4
Broom C.
Ritschard A.
6-46-2
Chidekh C.[2]
Jubb P.
6-26-3
Samuel T.[3]
Broady L.
6-36-3
R32
Hussey G.
Guerrieri A.
6-46-4
Monday J.[1]
Maxted L.
4-67-656-4
Krumich M.
Kopp S.
6-16-2
Gentzsch T.[8]
Brunold M.
6-796-46-4
Negritu C.
Kuzmanov D.[4]
6-41-67-5
Kukushkin M.
Malige M.
6-36-0
Kingsley C.
Searle H.
6-46-1
Gray A.[6]
Gombos N.
6-13-66-1
Kozlov S.[7]
Zink T.
6-46-1
Erhard M.
Strombachs R.
7-653-67-65
Broady L.
Masur D.
6-34-66-3
Samuel T.[3]
Overbeck C.
6-26-4
Ritschard A.
Pereira T.[5]
7-656-1
Broom C.
Wendelken H.
7-56-3
Jubb P.
Soriano Barrera A.
6-36-737-64
Chidekh C.[2]
Matusevich A.
6-736-46-0