Jan Kumstat vs Ji Sung Nam — Prostejov CH Qualifying Round 1
Prostejov CH · CHALLENGER · Qualifying Round 1
0 — 0
Sets
Monday, 1 June 2026
clay
Kumstat J.6-4 6-4
Nam J.
Kumstat J.
662
Nam J.
44–
Jan Kumstat defeated Ji Sung Nam 6-4 6-4 in the Prostejov CH qualifying round 1 on clay.
Key context
- Match story: Jan Kumstat edged a tight contest from start to finish — 6–4 6–4.
Head to head
No previous meetings on record.
Serve vs return
This seasonEven serve battle
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Statistics
This season1st serve in·Even
61%
58%
1st serve points won·Slight edge
71%
66%
2nd serve points won·Even
48%
52%
Service points won·Even
62%
60%
Return points won·Even
36%
38%
Break points saved·Clear edge
70%
50%
Aces / match·Dominant
8.0
3.4
Double faults / match·Clear edge
3.5
2.3
Averages over each player's completed matches in the selected window (2 vs 7). ATP, WTA & Challenger.
Freshness
Recent loadFreshness·Even
100
100
Kumstat J.: 20 days rest · Nam J.: 21 days rest. Higher means fresher. About
Conditions
Court speed
Slowlow bounce, long rallies
SlowFast
Q2
Kumstat J.
Prihodko O.
6-46-7106-2
Durasovic V.
Michalski D.
6-06-4
Daniel T.
Pokorny L.
6-46-0
Caniato C.
Ayeni O.
7-646-3
Karol M.
Gengel M.
4-66-36-3
Martin A.
Dutra Da Silva D.
6-26-4
Q1
Caniato C.
Siniakov D.
7-666-4
Kumstat J.
Nam J.
6-46-4
Prihodko O.
Krajci M.
6-36-4
Karol M.
Purtseladze S.
6-47-5
Gengel M.
Obradovic D.
6-46-3
Ayeni O.
Nicod J.
6-22-65-2
Pokorny L.
Vasa E.
7-676-4
Daniel T.
Rejchtman Vinciguerra W.
6-27-63
Durasovic V.
Cerny M.
6-47-64
Michalski D.
Paulson A.
6-14-66-4
Martin A.
Berkieta T.
6-26-4