Sascha Gueymard Wayenburg vs Benjamin BonziQuimper CH Quarter-final

Quimper CH · CHALLENGER · Quarter-final
#283ATP
1413ELO
1393Hard ELO
22 yrs · 188 cm · Right-handed
Last 10 · pre-match
LWLWWLWLLL
2 — 1
Sets
Tuesday, 27 January 2026
hard
#93ATP
1749ELO
1713Hard ELO
$396kYTD
$4.6MCAREER
30 yrs · 183 cm · Right-handed
Last 10 · pre-match
LLWWLWWWWL
Gueymard Wayenburg S.
6-2 6-7 7-5
Bonzi B.
Gueymard Wayenburg S.
66372
Bonzi B.
27751

Sascha Gueymard Wayenburg defeated Benjamin Bonzi 6-2 6-7 7-5 in the Quimper CH quarter-final on hard. The upset overturned the form book — Benjamin Bonzi came in ranked #93.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Gueymard Wayenburg S.serving80% hold

wins 63% of points on serve vs Bonzi B.

Bonzi B.serving83% hold

wins 65% of points on serve vs Gueymard Wayenburg S.

Even serve battle

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

Serve & return on hard

Gueymard Wayenburg S.Bonzi B.
Serve
27
Return
32

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
1st serve in·Even
63%
67%
1st serve points won·Even
68%
71%
2nd serve points won·Slight edge
47%
52%
Service points won·Slight edge
60%
65%
Return points won·Even
39%
36%
Break points saved·Slight edge
57%
65%
Aces / match·Clear edge
6.4
4.5
Double faults / match·Dominant
3.1
1.6

Averages over each player's completed matches in the selected window (25 vs 31). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
10
65
Break points saved·Dominant
63
96
Break points won·Slight edge
20
27
Deciding sets·Dominant
5
77
Tiebreaks·Dominant
27
90

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

Umpiry Score

Pre-match
5.4
Clear underdogUmpiry Score
6.4
Marginal edgeUmpiry Score
Form & Matchup
1.1Hard Elo 1393
Surface ELO
8.9+320 Hard Elo edge
1.0Overall Elo 1413
ELO gap
9.0Overall Elo 1749
5.0No prior meetings
H2H
5.0
4.9
Surface form
2.2
0.0
Win streak
0.0Lost last 5
Fatigue & Travel
8.9
Minutes 14d
7.8
3-set count
7.0
8.0
Prev. match
2.0
Context
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
Freshness·Dominant
66
94

Gueymard Wayenburg S.: 3 days rest · 2 matches, 57 games (7d) · Bonzi B.: 11 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast