Jan Choinski vs Olle Wallin — Bonn Quarter-final
GBR1
Choinski J.
Jan Choinski advanced to the semifinals of the Bonn tournament, defeating Olle Wallin in the quarterfinals. Choinski won in straight sets, 6-4, 7-5. He converted two of 13 break points and held serve well, winning 68 percent of his first-serve points to 59 percent for Wallin.
Key context
- Match story: Jan Choinski edged Olle Wallin in two tight sets (6–4 7–5).
Head to head
No previous meetings on record.
Statistics
This seasonAverages over each player's completed matches in the selected window (30 vs 5). ATP, WTA & Challenger.
Win Probability
Pre-match · updated 08:50 UTC50–58%
58–67%
67–80%
80%+
Slight edge · Choinski J. 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-matchThe 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 loadChoinski J.: 7 days rest · 1 match, 39 games (7d) · Wallin O.: 9 days rest · 4 matches (14d). Higher means fresher. About