Kokoro Isomura vs Naoto TomizawaPrediction, Head-to-Head Results, and Stats
Kokoro Isomura and Naoto Tomizawa have met 1 time since 2026; Kokoro Isomura leads 1–0. Across all meetings Isomura has taken 2 sets to Tomizawa's 0. Their most recent meeting: Kokoro Isomura won at M15 Tokyo (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Isomura | Tomizawa | ||
|---|---|---|---|---|
| Indicator | Kokoro Isomura | Naoto Tomizawa | ||
| Wins in straight sets | 65% | 20/31 | 67% | 4/6 |
| Wins a set when losing | 25% | 8/32 | 33% | 2/6 |
| Goes to a deciding set | 30% | 19/63 | 33% | 4/12 |
| Covers −1.5 sets as favorite | 46% | 11/24 | 100% | 1/1 |
| Covers +1.5 sets as underdog | 52% | 16/31 | 50% | 3/6 |
| Tiebreak sets won | 79% | 11/14 | 50% | 1/2 |
| Wins after taking set 1 | 86% | 24/28 | 83% | 5/6 |
| Wins 2-0 after taking set 1 | 71% | 20/28 | 67% | 4/6 |
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 (Isomura 1, Tomizawa 0).
Previous meetings
1 career meeting, newest first
Jul 8, 2026
M15 Tokyo
H Hard · 1st Round
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Isomura | Tomizawa |
|---|---|---|
| W-L | 8–6 | 3–1 |
| Avg odds | 2.10 | 3.11 |
| ROI % | +9.6% | +97.0% |
| Units P/L | +1.34u | +3.88u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Recent Form
Last five matches per player
Keisuke Saitoh
M25 Sapporo · 1st Round
Sep 9
Enzo Aguiard
Zhangjiagang Challenger · 3rd Round Qualifying
Aug 31
Uisung Park
Zhangjiagang Challenger · 1st Round Qualifying
Aug 30
Yanki Erel
M25 Taipei · 1st Round
Aug 26
Fitriadi M Rifqi
M15 Maanshan · Final
Aug 23
Petr Bar Biryukov
M15 Maanshan · Semifinals
Aug 22
Yusuke Takahashi
M15 Maanshan · Quarterfinals
Aug 21
Zhao Zhao
M15 Maanshan · 2nd Round
Aug 20
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
Win rate
Matches, sets and games won · Last 12 months · 12–63 matches
| Metric | Isomura | Tomizawa |
|---|---|---|
| Matches won | 49% | 50% |
| Sets won | 48% | 50% |
| Games won | 48% | 50% |
Record by tier
Head-to-head record by tournament tier
| Stage | Isomura | Tomizawa |
|---|---|---|
| ITF M15 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Isomura | Tomizawa |
|---|---|---|
| Hard | 1 | 0 |
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