Gauthier Onclin vs Fabian Marozsan — Stuttgart Round of 32

Stuttgart · ATP · Round of 32
BELQ
Gauthier Onclin
#186ATP
1579ELO
1491Grass ELO
$79kYTD
$595kCAREER
25 yrs · 180 cm · Right-handed
Last 10 · pre-match
WWLLWWWWWW
2 — 0
Sets
Monday, 8 June 2026 ·
grass
COLOSSEUM · 3rd on
HUN
Fabian Marozsan
#61ATP
1780ELO
1591Grass ELO
$574kYTD
$4.4MCAREER
26 yrs · 193 cm · Right-handed
Last 10 · pre-match
LLWLWLWLWW

Gauthier Onclin defeated Fabian Marozsan 7-6 6-3 in the Stuttgart round of 32 on grass. The upset overturned the form book — Fabian Marozsan came in ranked #61.

Key context

Win Probability

Pre-match · updated 13:20 UTC
Onclin G.17%
Marozsan F.83%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Marozsan F. heavily favoured

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
Onclin G.
5.2
Clear underdogUmpiry Score
  • Back-to-back day (−0.5)
Marozsan F.
5.5
Slight disadvantageUmpiry Score
  • Surface jump clay↔grass (−0.8)
Form & Matchup
3.7Grass Elo 1491
Surface ELO
6.3+100 Grass Elo edge
2.5Overall Elo 1579
ELO gap
7.5Overall Elo 1780
5.0No prior meetings
H2H
5.0No prior meetings
6.56 of last 10 on grass
Surface form
3.23 of last 10 on grass
Win streak
0.0Lost last 2
Fatigue & Travel
4.02 three-setters in 14 days
3-set count
Surface transition
3.0Clay → Grass
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play here last year
Opponent rise
5.0Opponent hot: 8 of last 10

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.

Onclin G.
7862
Marozsan F.
6630

Conditions

Weather
27°COvercast
Wind 10 km/hHumidity 37%

Head to head

No previous meetings on record.

Statistics

Recent form
Onclin G.Marozsan F.
55%1st serve in+12%67%
68%1st serve points won+1%69%
53%2nd serve points won+1%54%
61%Service points won+3%64%
40%Return points won+4%36%
59%Break points saved+2%57%
2.2Aces / match+1.94.1
3.5Double faults / match+1.32.2

Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.

Draw