Hunter Heck vs Kokoro IsomuraPrediction, Head-to-Head Results, and Stats
Hunter Heck and Kokoro Isomura have met 1 time since 2026; Kokoro Isomura leads 1–0. Across all meetings Heck has taken 1 sets to Isomura's 2. Their most recent meeting: Kokoro Isomura won at Granby challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Heck | Isomura | ||
|---|---|---|---|---|
| Indicator | Hunter Heck | Kokoro Isomura | ||
| Wins in straight sets | 93% | 27/29 | 72% | 23/32 |
| Wins a set when losing | 19% | 3/16 | 23% | 7/31 |
| Goes to a deciding set | 11% | 5/45 | 25% | 16/63 |
| Covers −1.5 sets as favorite | 59% | 16/27 | 52% | 13/25 |
| Covers +1.5 sets as underdog | 67% | 8/12 | 52% | 16/31 |
| Tiebreak sets won | 67% | 6/9 | 83% | 10/12 |
| Wins after taking set 1 | 90% | 28/31 | 90% | 28/31 |
| Wins 2-0 after taking set 1 | 87% | 27/31 | 74% | 23/31 |
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: 0 of 1 completed meetings ended in straight sets (Heck 0, Isomura 0).
Style Matchup
Playing styles and historical archetype record
Heck
🧱 The Wall
Isomura
🛡️ The Spoiler
Matchup analysis
🧱 The Wall vs 🛡️ The Spoiler is historically tight (49% vs 51%, 122 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Jul 12, 2026
Granby challenger
H Hard
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Heck | Isomura | ||
|---|---|---|---|---|
| Outcome | Hunter Heck | Kokoro Isomura | ||
| 1 or more | 100% | 5/5 | 50% | 7/14 |
| 3 or more | 60% | 3/5 | 36% | 5/14 |
| 5 or more | 20% | 1/5 | 7% | 1/14 |
| 10 or more | 0% | 0/5 | 0% | 0/14 |
| 15 or more | 0% | 0/5 | 0% | 0/14 |
| 20 or more | 0% | 0/5 | 0% | 0/14 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Heck | Isomura |
|---|---|---|
| W-L | 3–4 | 11–6 |
| Avg odds | 1.85 | 2.07 |
| ROI % | -25.1% | +14.2% |
| Units P/L | -1.76u | +2.42u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Heck | Isomura |
|---|---|---|
| Countries | — | 3 |
| Events | — | 3 |
| Matches | — | 7 |
| Distance | — | — |
| Route | — | KAZ → CHN → TPE |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Heck has a higher win rate against shared opponents (75% vs Isomura's 63%).
| Opponent | Heck | Isomura |
|---|---|---|
| Ryan Cozad | W 61 64 | W 64 63 |
| Maximus Jones | W 75 64 | L 36 63 16 |
| Taisei Ichikawa | L 26 36 | W 62 61 |
| Dong Ju Kim | L 64 26 26 | W 64 63 |
| Hugo Hashimoto | W 63 61 | L 36 15 |
| Leo Vithoontien | W 64 62 | L 46 64 36 |
| Yuta Tomida | W 76 63 | W 63 61 |
| Yuta Tomida | W 76 63 | W 63 61 |
Recent Form
Last five matches per player
Kokoro Isomura
Granby challenger
Jul 12
Taisei Ichikawa
M15 Tokyo · 1st Round
Jun 30
Masamichi Imamura
M15 Tokyo · Semifinals
Jun 20
Naoya Honda
M15 Tokyo · Quarterfinals
Jun 19
Maximus Jones
M15 Tokyo · 1st Round
Jun 17
Yua Taka
Futures 2026
Jun 15
Sergey Petrov
Futures 2026
Jun 14
Naoya Honda
M15 Tokyo · 1st Round
Jun 9
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
Miles Jones
M15 Maanshan · 1st Round
Aug 19
Kasidit Samrej
Astana Challenger · 1st Round
Aug 11
Alexander Rozin
Granby challenger
Jul 13
Win rate
Matches, sets and games won · Last 12 months · 45–63 matches
| Metric | Heck | Isomura |
|---|---|---|
| Matches won | 64% | 51% |
| Sets won | 64% | 50% |
| Games won | 54% | 49% |
Record by tier
Head-to-head record by tournament tier
| Stage | Heck | Isomura |
|---|---|---|
| ATP Challenger Tour | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Heck | Isomura |
|---|---|---|
| Hard | 0 | 1 |
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