Jan Kumstat vs Ji Sung NamProstejov CH Qualifying Round 1

Prostejov CH · CHALLENGER · Qualifying Round 1
#660ATP
19 yrs · Right-handed
Last 10 · pre-match
LWWLWWLWLL
0 — 0
Sets
Monday, 1 June 2026
clay
32 yrs · 183 cm · Right-handed
Last 10 · pre-match
LLLLWWLLLL
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 season
Kumstat J.serving74% hold

wins 60% of points on serve vs Nam J.

Nam J.serving73% hold

wins 60% of points on serve vs Kumstat J.

Even 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 season
1st 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 load
Freshness·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