Jan Kumstat is a professional tennis player from Czechia, born 2 January 2007. The Czech competes on the ATP Tour and plays right-handed. Among ATP players under 20, Kumstat is ranked No. 26. The Czech was born in Prostějov.
This page tracks Jan Kumstat's upcoming schedule, latest results, recent form and surface record, with each match linking through to a detailed head-to-head and pre-match analysis. Scores update live as matches are played.
Biographical details (birthplace, residence, coach, height, weight) sourced from Wikidata (CC0 public domain). See Jan Kumstat on Wikipedia for more.
Rankings
Trends
Kumstat has won 12 of the last 25 first sets
48%Kumstat has won 6 of 8 deciding sets
75%Kumstat has won 3 of 7 tiebreaks
43%Kumstat has won 7 of the last 10 matches
70%Ranking Projection
Trajectory from our weekly snapshots. Defending— points dropping in the next ~12 weeks (last year's results at the same events). Win … — points gained by winning the round they're currently in. Expected — most likely landing rank from our draw model (Elo over the bracket). ATP points table.
Freshness
1 day rest · 1 match, 23 games (7d)
Recent on-court load (higher = fresher), updated daily. About
Career highs
Ranking trajectory from our weekly snapshots (last ~12 months); peak rating and longest tour-level win streak from our match records. Umpiry rank is the player’s position by our rating — the arrow shows how many spots that is above (▲) or below (▼) their official ranking.
2026 season form
6–3W–L67%
- Last 60 days
- 6–3
Recent surface record
Career record
11–13W–L
Career surface record
Upcoming matches
Recent results
More Czechia players
Explore the rankings
Frequently asked questions
When was Jan Kumstat born?
Jan Kumstat was born on 2 January 2007 (19 years old).
Where is Jan Kumstat from?
Jan Kumstat is from Czechia, born in Prostějov on 2 January 2007.
Is Jan Kumstat right or left-handed?
Jan Kumstat plays right-handed.