Eliakim Coulibaly vs Sascha Gueymard WayenburgRennes CH Round of 16

Rennes CH · CHALLENGER · Round of 16
#314ATP
1449ELO
1453Hard ELO
24 yrs · 183 cm · Left-handed
Last 10 · pre-match
LWWLLWWLWW
2 — 0
Sets
Monday, 8 September 2025
hard
#283ATP
1413ELO
1393Hard ELO
22 yrs · 188 cm · Right-handed
Last 10 · pre-match
LWLWWLWLLL
Coulibaly E.
7-6 6-3
Gueymard Wayenburg S.
Coulibaly E.
7862
Gueymard Wayenburg S.
6630

Eliakim Coulibaly defeated Sascha Gueymard Wayenburg 7-6 6-3 in the Rennes CH round of 16 on hard. The upset overturned the form book — Sascha Gueymard Wayenburg came in ranked #283, defending last year's round of 16.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Coulibaly E.serving80% hold

wins 63% of points on serve vs Gueymard Wayenburg S.

Gueymard Wayenburg S.serving74% hold

wins 60% of points on serve vs Coulibaly E.

Serve advantage — Coulibaly E.

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
1st serve in·Even
60%
61%
1st serve points won·Even
72%
69%
2nd serve points won·Even
48%
48%
Service points won·Even
63%
60%
Return points won·Even
39%
39%
Break points saved·Slight edge
62%
56%
Aces / match·Even
5.8
5.4
Double faults / match·Slight edge
4.2
3.9

Averages over each player's completed matches in the selected window (57 vs 94). ATP, WTA & Challenger.

Umpiry Score

Pre-match
6.1
Even matchUmpiry Score
6.1
Even matchUmpiry Score
Form & Matchup
5.4+59 Hard Elo edge
Surface ELO
4.6Hard Elo 1393
5.1Overall Elo 1449
ELO gap
4.9Overall Elo 1413
5.0No prior meetings
H2H
5.0
4.1
Surface form
3.9
Win streak
0.0Lost last 2
Fatigue & Travel
5.3
Minutes 14d
7.0
4.0
3-set count
9.0
Prev. match
9.0
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
Freshness·Dominant
92
66

Coulibaly E.: 8 days rest · 3 matches (14d) · Gueymard Wayenburg S.: 3 days rest · 2 matches, 57 games (7d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast