Sandro Kopp vs Luca Wiedenmann — Sion Round of 32

Sion · CHALLENGER · Round of 32
AUT3
Sandro Kopp
#280ATP
1437ELO
1428Clay ELO
26 yrs · 185 cm · Right-handed
Last 10 · pre-match
LLWWWWLWLW
2 — 0
Sets
Tuesday, 18 August 2026 ·
clay
COURT 1 · 3rd on
GERLL
Luca Wiedenmann
#545ATP
28 yrs
Last 10 · pre-match
LWLWLWWWWW
Kopp S.
6-4 6-1
Wiedenmann L.
Kopp S.
662
Wiedenmann L.
410

Sandro Kopp defeated Luca Wiedenmann in the Round of 32 at the Sion tournament on clay, winning 6-4, 6-1. Kopp served 7 aces to Wiedenmann's 2 and did not commit a double fault, while converting 67% of break points to Wiedenmann's 0%. Kopp won 84% of his first-serve points and took 4 service breaks to Wiedenmann's 0.

Key context

Head to head

0–2
DateTournamentRoundSurfaceWinnerScore
2023-05-22M15 Warmbad Villach 1R32clayLuca Wiedenmann6-3 7-6(2)
2023-02-16M15 Oberhaching 1R16hardLuca Wiedenmann6-3 6-3

Statistics

This season
Kopp S.Wiedenmann L.
1st serve in·Clear edge
71%
53%
1st serve points won·Slight edge
69%
64%
2nd serve points won·Slight edge
55%
45%
Service points won·Slight edge
65%
55%
Return points won·Slight edge
37%
46%
Break points saved·Slight edge
58%
63%
Aces / match·Even
3.5
3.5
Double faults / match·Clear edge
1.6
3.0

Averages over each player's completed matches in the selected window (24 vs 2). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 11:50 UTC
Kopp S.59%
Wiedenmann L.41%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Kopp S. 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
Kopp S.
6.0
Even matchUmpiry ScorePartial · surface data limited
Wiedenmann L.
4.7
Heavy underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
5.0First meeting on clay
H2H
5.0First meeting on clay
5.16 of last 10 on clay
Surface form
4.85 of last 10 on clay
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
3-set count
7.01 three-setter 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
Kopp S.Wiedenmann L.
Freshness·Clear edge
89
68

Kopp S.: 1 day rest · 1 match, 17 games (7d) · Wiedenmann L.: 1 day rest · 3 matches, 59 games (7d). Higher means fresher. About

Conditions

Weather
29°CMainly clear
Wind 15 km/hHumidity 39%

Draw