ATP Challenger Tour · 3rd Round Qualifying · Yokohama
Final score
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. That is a small stylistic lean for Jumpei Yamasaki here.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the gladiator's physical intensity. On Hard, that can swing with conditions.
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.
Prior meetings and scores · 2 career meetings
1
Yamasaki
1
Imamura
Apr 27, 2026
M25 Nakhon Pathom
H Hard · Round of 16
Feb 26, 2018
Yokohama
H Hard · 3rd Round Qualifying
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 |
Serve and return comparison · Last 90 days
| Stat | Yamasaki | Imamura |
|---|---|---|
| Serve | ||
| 1st Serve In % | 60.3% | 62.4% |
| 1st Serve Pts Won % | 70.5% | 65.8% |
| 2nd Serve Pts Won % | 49.8% | 51.6% |
| Aces / Match | 5 | 1.7 |
| Double Faults / Match | 1.7 | 1.7 |
| Break Points Saved % | 43% | 43.9% |
| Return | ||
| 1st Return Pts Won % | 30% | 35.1% |
| 2nd Return Pts Won % | 51% | 56.8% |
| BP Converted % | 44.5% | 46.8% |
| Rally | ||
| Winners / Match | 0 | 15.5 |
| Unforced Errors / Match | 0 | 34.6 |
| Net Pts Won % | 0% | 49.9% |
| Total Pts Won % | 49.6% | 51.7% |
| Surface (Hard) | ||
| Hard Win % | 55% | 59% |
Last five matches per player
Matchup overview
Jumpei Yamasaki and Masamichi Imamura face off in the 3rd Round Qualifying at Yokohama on Hard.
Jumpei Yamasaki leads 1-1 over 2 previous meetings.
Jumpei Yamasaki is 4-1 over the last 5 matches. Latest result: W vs Hayden Jones (Jun 11).
Masamichi Imamura is 3-2 over the last 5 matches. Latest result: W vs Hunter Heck (Jun 20).
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