Gauthier Onclin vs Petr Brunclik — Ostrava CH Quarter-final

Ostrava CH · CHALLENGER · Quarter-final
Gauthier Onclin
BEL
Gauthier Onclin
#169ATP
1567ELO
1496Clay ELO
$99kYTD
$616kCAREER
25 yrs · 180 cm · Right-handed
Last 10 · pre-match
LWLWLLWWWL
2 — 1
Sets
Monday, 28 April 2025
clay
CZE
Petr Brunclik
#330ATP
1526ELO
1469Clay ELO
19 yrs · 188 cm · Left-handed
Last 10 · pre-match
LWLWWLWLWW
Onclin G.
1-6 6-0 7-5
Brunclik P.
Onclin G.
1672
Brunclik P.
6051

Gauthier Onclin defeated Petr Brunclik 1-6 6-0 7-5 in the Ostrava CH quarter-final on clay. The result followed the form book — Gauthier Onclin came in ranked #169, defending last year's round of 16.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Onclin G.serving61% hold

wins 55% of points on serve vs Brunclik P.

Brunclik P.serving70% hold

wins 58% of points on serve vs Onclin G.

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
Onclin G.Brunclik P.
1st serve in·Even
63%
61%
1st serve points won·Slight edge
64%
71%
2nd serve points won·Even
50%
51%
Service points won·Even
59%
63%
Return points won·Even
41%
41%
Break points saved·Slight edge
57%
66%
Aces / match·Clear edge
1.6
4.5
Double faults / match·Clear edge
2.9
3.8

Averages over each player's completed matches in the selected window (68 vs 54). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Onclin G.
5.5
Slight disadvantageUmpiry Score
  • Extended break: 28 days (−0.3)
Brunclik P.
3.4
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 182 days (−1.5)
Form & Matchup
6.7+27 Clay Elo edge
Surface ELO
3.3Clay Elo 1469
6.3Overall Elo 1567
ELO gap
3.7Overall Elo 1526
5.0No prior meetings
H2H
5.0
3.3
Surface form
0.0Lost last 2
Win streak
0.0Lost last 2
Fatigue & Travel
6.0
Prev. match
Surface transition
6.0
Context
6.0
Defending pts
6.0

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
Onclin G.Brunclik P.
Freshness·
77
—

Onclin G.: 4 days rest · 2 matches, 59 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Final
Piros Z.
Habib H.[8]
6-36-2
Semi-finals
Habib H.[8]
Roca Batalla O.
4-66-36-4
Piros Z.
Onclin G.
6-36-2
Quarter-finals
Roca Batalla O.
Squire H.
7-56-1
Piros Z.
Rincon D.
6-37-5
Onclin G.
Brunclik P.
1-66-07-5
Habib H.[8]
Kopriva V.[1]
6-36-4
R16
Brunclik P.
Karatsev A.
6-746-36-3
Habib H.[8]
Evans D.
6-36-4
Squire H.
Sachko V.
7-56-2
Roca Batalla O.
Klein L.[7]
6-45-77-63
Rincon D.
Gombos N.
7-661-67-5
Piros Z.
Kumstat J.
6-36-3
Onclin G.
Butvilas E.
5-76-26-2
Kopriva V.[1]
Jianu F.
6-36-3
R32
Onclin G.
Wong C.[6]
6-25-76-3
Brunclik P.
Albot R.
6-26-1
Kopriva V.[1]
Martinez A.
6-26-1
Jianu F.
Molleker R.
6-46-4
Evans D.
Jermar J.
6-06-2
Habib H.[8]
Sultanov K.
6-37-64
Sachko V.
Mannarino A.[3]
6-07-64
Squire H.
Van Assche L.
7-646-2
Klein L.[7]
Holmgren A.
6-33-66-3
Rincon D.
Mayot H.[5]
7-616-4
Gombos N.
Sels J.
2-66-07-5
Piros Z.
Svrcina D.[4]
6-36-1
Butvilas E.
Mrva M.
7-646-1
Karatsev A.
Moller E.[2]
6-36-2
Kumstat J.
Cassone M.
6-47-63
Roca Batalla O.
Houkes M.
6-37-5