Jerome Kym vs Sascha Gueymard WayenburgIasi Round of 16

Iasi · CHALLENGER · Round of 16
#179ATP
1599ELO
1529Clay ELO
$98kYTD
$740kCAREER
23 yrs · 198 cm · Right-handed
Last 10 · pre-match
LWWWWLWLWL
2 — 0
Sets
Wednesday, 8 July 2026 ·
clay
COURT 5 · 2nd on
#329ATP
1413ELO
1369Clay ELO
23 yrs · 188 cm · Right-handed
Last 10 · pre-match
LLWWLWWLWL
Kym J.
7-6 7-5
Gueymard Wayenburg S.
Kym J.
772
Gueymard Wayenburg S.
650

Jerome Kym defeated Sascha Gueymard Wayenburg 7-6, 7-5 in the Round of 16 at the Iasi clay court tournament. Kym hit 8 aces and 3 double faults, winning 74 percent of his first serves, while Gueymard Wayenburg had 10 aces and 7 double faults, winning 70 percent of his first serves. Both players converted 1 service break, with Kym converting 12 percent of break points and Gueymard Wayenburg converting 33 percent.

Key context

Head to head

20
DateTournamentRoundSurfaceWinnerScore
2022-09-17M25+H Plaisir 1SFhardJerome Kym6-3 4-6 7-6(3)
2022-09-03M25 Setubal 1SFhardJerome Kym6-4 6-4

Statistics

This season
1st serve in·Even
63%
63%
1st serve points won·Slight edge
78%
69%
2nd serve points won·Even
50%
48%
Service points won·Slight edge
67%
62%
Return points won·Even
35%
39%
Break points saved·Even
61%
58%
Aces / match·Dominant
11.0
6.9
Double faults / match·Slight edge
3.1
2.8

Averages over each player's completed matches in the selected window (18 vs 26). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
36
10
Break points saved·Dominant
91
63
Break points won·Even
21
20
Deciding sets·Clear edge
17
5
Tiebreaks·Dominant
80
27

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

Win Probability

Pre-match · updated 11:50 UTC
Kym J.84%
Gueymard Wayenburg S.16%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Kym J. heavily favoured

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

Umpiry Score

Pre-match
6.4
Marginal edgeUmpiry Score
4.3
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
7.0+160 Clay Elo edge
Surface ELO
3.0Clay Elo 1369
7.3Overall Elo 1598
ELO gap
2.7Overall Elo 1412
5.0No prior meetings
H2H
5.0No prior meetings
3.94 of last 10 on clay
Surface form
4.84 of last 10 on clay
Fatigue & Travel
4.02 three-setters in 14 days
3-set count
0.03 three-setters in 14 days
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.

Freshness

Recent load
Freshness·
90

Kym J.: 10 days rest · 4 matches (14d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Weather
23°CRain
Wind 11 km/hHumidity 72%

Draw