Chun Hsin Tseng vs Jan Kumstat — Prague Final
Hsin Tseng C.
Jan Kumstat won the Prague final on clay, defeating Chun Hsin Tseng 5-7, 6-3, 6-0. Kumstat hit 3 aces and 2 double faults, while Tseng had 2 aces and 7 double faults. Kumstat converted 42% of his break points and won 5 service breaks, compared to Tseng's 2 service breaks and 40% break point conversion.
Key context
- Match story: Jan Kumstat dropped the opening set before beating Chun Hsin Tseng 5–7 6–3 6–0.
Head to head
No previous meetings on record.
Statistics
This seasonAverages over each player's completed matches in the selected window (22 vs 10). ATP, WTA & Challenger.
Win Probability
Pre-match · updated 11:50 UTC50–58%
58–67%
67–80%
80%+
Toss-up · Too close to call
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 loadHsin Tseng C.: 7 days rest · 1 match, 27 games (7d) · Kumstat J.: 7 days rest · 1 match, 27 games (7d). Higher means fresher. About