ATP · Head to Head
Sho Shimabukuro vs Jan Kumstat
In short
Sho Shimabukuro leads their head-to-head 1–0. Most recent meeting: R32 – Seoul Challenger 2026, won by Sho Shimabukuro (6-4 6-0).
Head-to-head in numbers
Wins by category and stats from the scores.
| Sho Shimabukuro | — | Jan Kumstat |
|---|---|---|
| 1 | Challenger 125 | 0 |
| 2 | Sets won | 0 |
| 0 | Tie-breaks won | 0 |
| 0 | Deciding sets won | 0 |
All meetings
| Year | Tournament | Round | Winner | Score |
|---|---|---|---|---|
| 2026 | Seoul Challenger · Challenger 125 | R32 | Sho Shimabukuro | 6-4 6-0 |
Based on tournaments synced by youaretennis.com: the history grows over time.
Comparison
| Sho Shimabukuro | — | Jan Kumstat |
|---|---|---|
| 106 | Ranking | 189 |
| 580 | Points | 302 |
| 29.3 | Age | 19.8 |
 Japan | Country |  Czechia |
| 1-1 | 2025 record | — |
| 0 | 2025 titles | 0 |
| 0 | Titles 2021-2025 | 0 |
Records and titles: Grand Slams, Masters 1000, ATP 500 and 250 (no ATP Finals or Challengers).
Recent form
The last 5 matches played.
Sho Shimabukuro
- L
vs Chak Lam Coleman Wong · 7-6(4) 6-1
Seoul Challenger · Quarterfinal · 2026
- W
vs Jay Dylan Hara Friend · 6-3 6-1
Seoul Challenger · Round of 16 · 2026
- W
vs Jan Kumstat · 6-4 6-0
Seoul Challenger · R32 · 2026
- L
vs Daniil Medvedev · 6-2 6-1
Almaty Open - Almaty · Round of 16 · 2026
- W
vs Roman Safiullin · 6-7(4) 6-4 6-4
Almaty Open - Almaty · R32 · 2026
Jan Kumstat
- L
vs Sho Shimabukuro · 6-4 6-0
Seoul Challenger · R32 · 2026
- L
vs Jacob Fearnley · 6-4 6-3
Olbia Challenger · Round of 16 · 2026
- W
vs Edas Butvilas · 7-6(4) 7-6(5)
Olbia Challenger · R32 · 2026