Kai Wehnelt vs Calvin HemerySion Round of 32

Sion · CHALLENGER · Round of 32
#625ATP
30 yrs · 188 cm · Right-handed
Last 10 · pre-match
WWLWWLWWLW
1 — 2
Sets
Tuesday, 18 August 2026 ·
clay
COURT 2 · 2nd on
#326ATP
1439ELO
1449Clay ELO
31 yrs · 191 cm · Right-handed
Last 10 · pre-match
LWLWWWLLLW
Wehnelt K.
2-6 6-3 5-7
Hemery C.
Wehnelt K.
2651
Hemery C.
6372

Calvin Hemery defeated Kai Wehnelt in the Round of 32 at the Sion tournament on clay, winning 6-2, 3-6, 7-5. Hemery hit 11 aces and 6 double faults, while converting 40% of break points and securing 4 service breaks. Wehnelt recorded 5 aces, 3 double faults, 67% first-serve win percentage, 23% break points converted, and 3 service breaks.

Key context

  • Match story: Calvin Hemery closed it out in three sets, 6–2 3–6 7–5.

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Slight edge
57%
64%
1st serve points won·Even
71%
74%
2nd serve points won·Even
47%
51%
Service points won·Even
61%
65%
Return points won·Slight edge
40%
35%
Break points saved·Slight edge
52%
60%
Aces / match·Even
5.4
5.9
Double faults / match·Clear edge
2.3
3.6

Averages over each player's completed matches in the selected window (9 vs 28). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 11:50 UTC
Wehnelt K.42%
Hemery C.58%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Hemery C. narrowly ahead

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 ScorePartial · surface data limited
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
5.0First meeting on clay
H2H
5.0First meeting on clay
7.27 of last 10 on clay
Surface form
5.05 of last 10 on clay
Win streak
0.0
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
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·Clear edge
56
78

Wehnelt K.: 1 day rest · 3 matches, 79 games (7d) · Hemery C.: 1 day rest · 1 match, 29 games (7d). Higher means fresher. About

Conditions

Weather
27°COvercast
Wind 5 km/hHumidity 50%

Draw