ATP · Head to Head
Jan Kumstat vs Sho Shimabukuro
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.
| Jan Kumstat | — | Sho Shimabukuro |
|---|---|---|
| 0 | Challenger 125 | 1 |
| 0 | Sets won | 2 |
| 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
| Jan Kumstat | — | Sho Shimabukuro |
|---|---|---|
| 189 | Ranking | 106 |
| 302 | Points | 580 |
| 19.8 | Age | 29.3 |
 Czechia | Country |  Japan |
| — | 2025 record | 1-1 |
| 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.
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
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