Jumpei Yamasaki and Masamichi Imamura have met 2 times since 2018; they are level 1–1. Their most recent meeting: Masamichi Imamura won at M25 Nakhon Pathom (2026).
Playing styles and historical archetype record
Yamasaki
🪃 Counterpuncher
Imamura
⚔️ 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 | Imamura | ||
|---|---|---|---|---|
| Outcome | Jumpei Yamasaki | Masamichi Imamura | ||
| 1 or more | 80% | 8/10 | 67% | 12/18 |
| 3 or more | 60% | 6/10 | 28% | 5/18 |
| 5 or more | 60% | 6/10 | 11% | 2/18 |
| 10 or more | 20% | 2/10 | 0% | 0/18 |
| 15 or more | 0% | 0/10 | 0% | 0/18 |
| 20 or more | 0% | 0/10 | 0% | 0/18 |
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Yamasaki | Imamura |
|---|---|---|
| W-L | 1–3 | 9–7 |
| Avg odds | 2.01 | 1.91 |
| ROI % | -73.5% | +3.2% |
| Units P/L | -2.94u | +0.51u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Results vs. opponents both players faced · Last 12 months
Imamura has a higher win rate against shared opponents (50% vs Yamasaki's 25%).
| Opponent | Yamasaki | Imamura |
|---|---|---|
| Leo Vithoontien | L 46 46 | L 16 46 |
| Anton Shepp | L 46 46 | W 62 61 |
| Shunsuke Nakagawa | L 36 67 | W 63 64 |
| Naoki Nakagawa | W 63 61 | L 46 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
Hunter Heck
Futures 2026 ·
Jun 20
Tai Sach
Futures 2026 ·
Jun 19
Kosuke Ogura
Futures 2026 ·
Jun 11
Yusuke Takahashi
Futures 2026 ·
Jun 10
Braden Shick
Texas Spine and Joint Men's Championship · Round of 16
Jun 4
Colton Smith
Texas Spine and Joint Men's Championship · Round of 32
Jun 3
Hayato Matsuoka
Texas Spine and Joint Men's Championship · 2nd Round Qualifying
Jun 1
Pavle Marinkov
Texas Spine and Joint Men's Championship · 1st Round Qualifying
May 31
Cumulative head-to-head lead over time
Matches, sets and games won · Last 12 months · 23–70 matches
| Metric | Yamasaki | Imamura |
|---|---|---|
| Matches won | 39% | 60% |
| Sets won | 41% | 59% |
| Games won | 48% | 53% |
Head-to-head record by tournament tier
| Stage | Yamasaki | Imamura |
|---|---|---|
| ITF M25 | 0 | 1 |
| ATP Challenger Tour | 1 | 0 |
Head-to-head record per surface
| Surface | Yamasaki | Imamura |
|---|---|---|
| Hard | 1 | 1 |
