ITF M15 · Round of 16 · M15 Karuizawa
Final score & match stats
Playing styles and historical archetype record
Vithoontien
🛡️ The Spoiler
Yamasaki
🪃 Counterpuncher
Matchup analysis
The 🪃 Counterpuncher archetype wins about 57% vs 🛡️ The Spoiler across 1,781 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 spoiler's strong court coverage. On Clay, that can swing with conditions.
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Vithoontien | Yamasaki |
|---|---|---|
| W-L | 7–6 | 1–3 |
| Avg odds | 2.77 | 2.01 |
| ROI % | -5.8% | -73.5% |
| Units P/L | -0.75u | -2.94u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Prior meetings and scores · 2 career meetings
2
Vithoontien
0
Yamasaki
Results vs. opponents both players faced · Last 12 months
Vithoontien has a higher win rate against shared opponents (40% vs Yamasaki's 20%).
| Opponent | Vithoontien | Yamasaki |
|---|---|---|
| Naoki Nakagawa | L | W 63 61 |
| Hikaru Shiraishi | L | L 36 76 57 |
| Takuya Kumasaka | L 36 26 | L 26 26 |
| Masamichi Imamura | W 61 64 | L 06 46 |
| Yuta Tomida | W 62 36 62 | L 36 26 |
Serve and return comparison · Last 90 days
| Stat | Vithoontien | Yamasaki |
|---|---|---|
| Serve | ||
| 1st Serve In % | 61.6% | 60.3% |
| 1st Serve Pts Won % | 70% | 70.5% |
| 2nd Serve Pts Won % | 50.3% | 49.8% |
| Aces / Match | 3.4 | 5 |
| Double Faults / Match | 3.2 | 1.7 |
| Break Points Saved % | 50% | 43% |
| Return | ||
| 1st Return Pts Won % | 30.1% | 30% |
| 2nd Return Pts Won % | 45.8% | 51% |
| BP Converted % | 36.7% | 44.5% |
| Rally | ||
| Winners / Match | 18.1 | 0 |
| Unforced Errors / Match | 33.1 | 0 |
| Net Pts Won % | 65.7% | 0% |
| Total Pts Won % | 46.7% | 49.6% |
| Surface (Clay) | ||
| Clay Win % | 50% | 50% |
Last five matches per player
Matchup overview
Leo Vithoontien and Jumpei Yamasaki face off in the Round of 16 at M15 Karuizawa on Clay.
Leo Vithoontien leads 2-0 over 2 previous meetings.
Leo Vithoontien is 2-3 over the last 5 matches. Latest result: L vs Naoki Nakagawa (Jun 16).
Jumpei Yamasaki is 4-1 over the last 5 matches. Latest result: W vs Hayden Jones (Jun 11).
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