Sandro Kopp vs Benjamin Hassan — Sion Round of 16
Sion · CHALLENGER · Round of 16
—
Sets
Wednesday, 19 August 2026 ·
clay
Court 1 · 4th on
LIBQ
Benjamin Hassan
31 yrs
Last 10
WWWLLWLWLW
Kopp S.vs
Hassan B.
Sandro Kopp faces Benjamin Hassan in the Sion round of 16 on clay.
Win Probability
Pre-match · updated 08:50 UTCKopp S.68%
Hassan B.32%
Toss-up
50–58%
50–58%
Slight edge
58–67%
58–67%
Clear favourite
67–80%
67–80%
Strong favourite
80%+
80%+
Clear favourite · Kopp S. clearly ahead, but no certainty
Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Sandro Kopp comes in with 1 days of rest and 17 games in 14d, vs Benjamin Hassan's 1 and 55.
- Last match: Sandro Kopp dropped just 5 games past Luca Wiedenmann.
- Win streak: Benjamin Hassan arrives on a 3-match winning run.
Common opponents
Last 12 monthsNo common opponents in the last 12 months.
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.
Umpiry Score
Pre-matchHassan B.
5.2
Clear underdogUmpiry ScorePartial · surface data limited- Back-to-back day (−0.5)
Form & Matchup
5.0No prior meetings
H2H5.0No prior meetings
5.66 of last 10 on clay
Surface form7.67 of last 10 on clay
Win streak
7.03-match win streak
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
Context
5.0Didn't play here last year
Defending pts5.0Didn'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.
24 vs 3 matches
Statistics
This seasonKopp S.Hassan B.
1st serve in·Slight edge
71%
62%
1st serve points won·Even
69%
72%
2nd serve points won·Slight edge
55%
45%
Service points won·Even
65%
62%
Return points won·Slight edge
37%
31%
Break points saved·Clear edge
58%
70%
Aces / match·Clear edge
3.5
6.0
Double faults / match·Even
1.6
1.7
Averages over each player's completed matches in the selected window (24 vs 3). ATP, WTA & Challenger.
Serve vs return
This seasonHassan B.serving76% hold
wins 61% of points on serve vs Kopp S.
Serve advantage — Kopp S.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Conditions
Weather forecast
35°CClear
Wind 27 km/hHumidity 19%
Head to head
No previous meetings on record.