ATP Challenger Tour · Round of 32 · Kobe
Final score
Playing styles and historical archetype record
Ramanathan
🤖 Servebot
Yamasaki
🧱 The Wall
Matchup analysis
The 🤖 Servebot archetype wins about 59% vs 🧱 The Wall across 2,280 matches in our dataset. That is a small stylistic lean for Ramkumar Ramanathan here.
Servebot players often use high ace rate and dominant service to pressure the the wall's elite returner. 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 | Ramanathan | Yamasaki |
|---|---|---|
| W-L | 1–1 | - |
| Avg odds | 3.09 | - |
| ROI % | +14.0% | - |
| Units P/L | +0.28u | - |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Prior meetings and scores · 1 career meeting
1
Ramanathan
0
Yamasaki
Serve and return comparison · Last 90 days
| Stat | Ramanathan | Yamasaki |
|---|---|---|
| Serve | ||
| 1st Serve In % | 60.8% | 0% |
| 1st Serve Pts Won % | 68.3% | 0% |
| 2nd Serve Pts Won % | 47.4% | 0% |
| Aces / Match | 4 | 0 |
| Double Faults / Match | 1 | 0 |
| Break Points Saved % | 77.8% | 0% |
| Return | ||
| 1st Return Pts Won % | 25.5% | 0% |
| 2nd Return Pts Won % | 55.9% | 0% |
| BP Converted % | 40% | 0% |
| Rally | ||
| Winners / Match | 16.5 | 0 |
| Unforced Errors / Match | 16.5 | 0 |
| Net Pts Won % | 47.4% | 0% |
| Total Pts Won % | 51.1% | 0% |
| Surface (Hard) | ||
| Hard Win % | 50% | 0% |
Last five matches per player
Hyeon Chung
Delhi Open 2026 · 2nd Round Qualifying
Feb 16
Tsung-Hao Huang
Delhi Open 2026 · 1st Round Qualifying
Feb 15
Arthur Reymond
Bengaluru Open · 1st Round Qualifying
Jan 4
Michael Vrbensky
Yokohama · 1st Round Qualifying
Nov 16
Yusuke Takahashi
Seoul · 1st Round Qualifying
Oct 26
Matchup overview
Ramkumar Ramanathan and Jumpei Yamasaki face off in the Round of 32 at Kobe on Hard.
Ramkumar Ramanathan leads 1-0 over 1 previous meeting.
Ramkumar Ramanathan is 1-4 over the last 5 matches. Latest result: L vs Hyeon Chung (Feb 16).
Jumpei Yamasaki is 1-4 over the last 5 matches. Latest result: L vs Felix Balshaw (Jan 5).
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