Jan Kumstat vs Ji Sung Nam — Prostejov Qualifying Semi-final

Prostejov · CHALLENGER · Qualifying Semi-final
CZEWC
Jan Kumstat
#347ATP
19 yrs · Right-handed
Last 10 · pre-match
WWWWWWWWWW
2 — 0
Sets
Sunday, 31 May 2026 ·
clay
KORALT
Ji Sung Nam
#1032ATP
33 yrs · 183 cm · Right-handed
Last 10 · pre-match
LLLLWWLLLL
Kumstat J.
6-4 6-4
Sung Nam J.
Kumstat J.
662
Sung Nam J.
440

Jan Kumstat defeated Ji Sung Nam 6-4 6-4 in the Prostejov qualifying semi-final 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.

Statistics

This season
Kumstat J.Sung Nam J.
1st serve in·Even
56%
57%
1st serve points won·Slight edge
72%
66%
2nd serve points won·Slight edge
58%
50%
Service points won·Slight edge
66%
59%
Return points won·Even
39%
37%
Break points saved·Clear edge
40%
54%
Aces / match·Clear edge
6.7
3.8
Double faults / match·Slight edge
2.1
2.6

Averages over each player's completed matches in the selected window (10 vs 8). ATP, WTA & Challenger.

Freshness

Recent load
Kumstat J.Sung Nam J.
Freshness·
45
—

Kumstat J.: 2 days rest · 5 matches, 131 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast

Draw