Naoto Tomizawa vs Shion YamadaPrediction, Head-to-Head Results, and Stats
Naoto Tomizawa and Shion Yamada have met 1 time since 2026; Shion Yamada leads 1–0. Across all meetings Tomizawa has taken 0 sets to Yamada's 2. Their most recent meeting: Shion Yamada won at M15 Kashiwa 1 (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Tomizawa | Yamada | ||
|---|---|---|---|---|
| Indicator | Naoto Tomizawa | Shion Yamada | ||
| Wins in straight sets | 67% | 4/6 | 100% | 6/6 |
| Wins a set when losing | 33% | 2/6 | 20% | 2/10 |
| Goes to a deciding set | 33% | 4/12 | 13% | 2/16 |
| Covers −1.5 sets as favorite | 100% | 1/1 | — | |
| Covers +1.5 sets as underdog | 50% | 3/6 | 25% | 1/4 |
| Tiebreak sets won | 50% | 1/2 | 20% | 1/5 |
| Wins after taking set 1 | 83% | 5/6 | 86% | 6/7 |
| Wins 2-0 after taking set 1 | 67% | 4/6 | 86% | 6/7 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 1 of 1 completed meetings ended in straight sets (Tomizawa 0, Yamada 1).
Previous meetings
1 career meeting, newest first
Mar 29, 2026
M15 Kashiwa 1
H Hard · 1st Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Tomizawa | Yamada |
|---|---|---|
| W-L | 3–1 | - |
| Avg odds | 3.11 | - |
| ROI % | +97.0% | - |
| Units P/L | +3.88u | - |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Recent Form
Last five matches per player
Max Dahlin
M15 Ann Arbor · Semifinals
Oct 3
John Hallquist Lithen
M15 Ann Arbor · Quarterfinals
Oct 2
Matt Kuhar
M15 Ann Arbor · 2nd Round
Oct 1
Bjorn Swenson
M15 Ann Arbor · 1st Round
Sep 30
Kokoro Isomura
M15 Tokyo · 1st Round
Jul 8
Hien Quang Hien Pham
M15 Tokyo · 3rd Round Qualifying
Jul 7
Kai-I Wang
M15 Tokyo · 1st Round Qualifying
Jul 6
Saki Tange
M15 Tokyo · 1st Round Qualifying
Jun 29
Ryota Tanuma
M15 Tokyo · 1st Round
Jul 8
Ye Cong Mo
M15 Luan · 1st Round
Jun 3
Zolbadar Urnukh
M15 Luan · 3rd Round Qualifying
Jun 2
Shijie Chen
M15 Luan · 2nd Round Qualifying
Jun 1
Ryusei Miyazato
M15 Luan · 1st Round Qualifying
May 31
Tzu-Yuan Tseng
M15 Luan · 2nd Round Qualifying
May 25
Chun-Hsin Tseng
Futures 2026
May 25
Sile Hu
M15 Luan · 1st Round Qualifying
May 24
Win rate
Matches, sets and games won · Last 12 months · 12–16 matches
| Metric | Tomizawa | Yamada |
|---|---|---|
| Matches won | 50% | 38% |
| Sets won | 50% | 41% |
| Games won | 50% | 47% |
Record by tier
Head-to-head record by tournament tier
| Stage | Tomizawa | Yamada |
|---|---|---|
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Tomizawa | Yamada |
|---|---|---|
| Hard | 0 | 1 |
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