Jumpei Yamasaki and Takuya Kumasaka have met 2 times since 2025; Takuya Kumasaka leads 2–0. Their most recent meeting: Takuya Kumasaka won at M25 Nakhon Pathom (2026).
Playing styles and historical archetype record
Yamasaki
🪃 Counterpuncher
Kumasaka
⚔️ The Gladiator
Matchup analysis
The 🪃 Counterpuncher archetype wins about 55% vs ⚔️ The Gladiator across 3,861 matches in our dataset — a stylistic lean toward Jumpei Yamasaki.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the gladiator's physical intensity.
2 career meetings, newest first
Hit rates on common betting markets · Last 90 days
| Outcome | Yamasaki | Kumasaka | ||
|---|---|---|---|---|
| Outcome | Jumpei Yamasaki | Takuya Kumasaka | ||
| 1 or more | 80% | 8/10 | 69% | 11/16 |
| 3 or more | 60% | 6/10 | 44% | 7/16 |
| 5 or more | 60% | 6/10 | 31% | 5/16 |
| 10 or more | 20% | 2/10 | 6% | 1/16 |
| 15 or more | 0% | 0/10 | 6% | 1/16 |
| 20 or more | 0% | 0/10 | 0% | 0/16 |
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Yamasaki | Kumasaka |
|---|---|---|
| W-L | 1–3 | 5–5 |
| Avg odds | 2.01 | 1.69 |
| ROI % | -73.5% | -16.8% |
| Units P/L | -2.94u | -1.68u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Results vs. opponents both players faced · Last 12 months
Kumasaka has a higher win rate against shared opponents (71% vs Yamasaki's 57%).
| Opponent | Yamasaki | Kumasaka |
|---|---|---|
| Yuki Mochizuki | L 46 67 | W |
| Naoki Nakagawa | W 63 61 | W |
| Asahi Harazaki | W | W 63 64 |
| Leo Vithoontien | L 46 46 | W 63 62 |
| Taiyo Yamanaka | W 62 63 | L 67 64 67 |
| Shunsuke Nakagawa | L 36 67 | W 76 63 |
| Dominik Palan | W 62 00 | L 26 46 |
Last five matches per player
Hayden Jones
Futures 2026 ·
Jun 11
Colin Sinclair
Futures 2026 ·
Jun 10
Asahi Harazaki
Futures 2026 ·
Jun 8
Ryo Minakata
M15 Karuizawa · Round of 32
May 25
Leo Vithoontien
M15 Karuizawa · Round of 16
May 25
Takuya Kumasaka
M25 Nakhon Pathom · Round of 32
May 4
Masamichi Imamura
M25 Nakhon Pathom · Round of 16
Apr 27
Manish Sureshkumar
M25 Nakhon Pathom · Round of 32
Apr 27
Naoya Honda
Futures 2026 ·
Jun 18
Yuki Mochizuki
Futures 2026 ·
Jun 17
Taisei Ichikawa
Futures 2026 ·
Jun 11
Naoki Nakagawa
Futures 2026 ·
Jun 9
Wishaya Trongcharoenchaikul
M15 Nakhon Pathom · Round of 16
May 11
Julien De Cuyper
M15 Nakhon Pathom · Round of 32
May 11
Taiyo Yamanaka
S M KRISHNA MEMORIAL OPEN · Round of 32
May 9
Moerani Bouzige
M25 Nakhon Pathom · Final
May 4
Cumulative head-to-head lead over time
Matches, sets and games won · Last 12 months · 23–62 matches
| Metric | Yamasaki | Kumasaka |
|---|---|---|
| Matches won | 39% | 58% |
| Sets won | 41% | 56% |
| Games won | 48% | 52% |
Head-to-head record by tournament tier
| Stage | Yamasaki | Kumasaka |
|---|---|---|
| ITF M25 | 0 | 2 |
Head-to-head record per surface
| Surface | Yamasaki | Kumasaka |
|---|---|---|
| Hard | 0 | 2 |
