Gauthier Onclin vs Yi Zhou — Brownsburg Round of 32

Brownsburg · CHALLENGER · Round of 32
Gauthier Onclin
BEL4
Gauthier Onclin
#167ATP
1567ELO
1552Hard ELO
$100kYTD
$617kCAREER
25 yrs · 180 cm · Right-handed
Last 10
LWWWLLWLWL
—
Sets
Monday, 10 August 2026 ·
hard
CHN
Yi Zhou
#240ATP
1456ELO
1445Hard ELO
21 yrs · 193 cm · Right-handed
Last 10
LLWLWLWWLW
Onclin G.
vs
Zhou Y.

Gauthier Onclin faces Yi Zhou in the Brownsburg round of 32 on hard. Gauthier Onclin holds the paper edge — ranked #167, a roughly 110-point hard Elo advantage.

Win Probability

Pre-match · updated 07:50 UTC
Onclin G.62%
Zhou Y.38%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Onclin G. narrowly ahead

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

Key context

  • Freshness: Gauthier Onclin comes in with 15 days of rest and 0 games in 14d, vs Yi Zhou's 11 and 25.
  • Under pressure: In the tight moments, Gauthier Onclin has rated higher under pressure (Clutch Rating 46 vs 13).

Common opponents

Last 12 months
No common opponents in the last 12 months.
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match
Onclin G.
6.8
Slight advantageUmpiry Score
Zhou Y.
5.5
Slight disadvantageUmpiry Score
Form & Matchup
6.3+107 Hard Elo edge
Surface ELO
3.7Hard Elo 1445
6.4Overall Elo 1567
ELO gap
3.6Overall Elo 1456
5.0No prior meetings
H2H
5.0No prior meetings
9.49 of last 10 on hard
Surface form
3.64 of last 10 on hard
0.0
Win streak
0.0Lost last 2
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
6.0Clay → Hard
Surface transition
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.

22 vs 20 matches

Statistics

This season
Onclin G.Zhou Y.
1st serve in·Slight edge
56%
62%
1st serve points won·Even
72%
72%
2nd serve points won·Even
53%
50%
Service points won·Even
64%
64%
Return points won·Even
40%
37%
Break points saved·Even
60%
63%
Aces / match·Dominant
1.9
6.3
Double faults / match·Clear edge
3.5
2.6

Averages over each player's completed matches in the selected window (22 vs 20). ATP, WTA & Challenger.

Serve vs return

This season
Onclin G.serving85% hold

wins 66% of points on serve vs Zhou Y.

Zhou Y.serving80% hold

wins 63% of points on serve vs Onclin G.

Serve advantage — Onclin G.

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

Clutch

Under pressure
Onclin G.Zhou Y.
Clutch Rating·Dominant
46
13
Break points saved·Slight edge
79
87
Break points won·Even
17
13
Deciding sets·Dominant
74
1
Tiebreaks·Dominant
50
14

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

Freshness

Recent load
Onclin G.Zhou Y.
Freshness·Even
100
96

Onclin G.: 15 days rest · Zhou Y.: 11 days rest · 1 match (14d). Higher means fresher. About

Conditions

Weather forecast
26°CPartly cloudy
Wind 21 km/hHumidity 75%

Head to head

No previous meetings on record.

Draw