Daisuke Sumizawa vs Yuto OkiPrediction, Head-to-Head Results, and Stats
Daisuke Sumizawa and Yuto Oki have met 1 time since 2026; Yuto Oki leads 1–0. Across all meetings Sumizawa has taken 1 sets to Oki's 2. Their most recent meeting: Yuto Oki won at Futures 2026 (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Sumizawa | Oki | ||
|---|---|---|---|---|
| Indicator | Daisuke Sumizawa | Yuto Oki | ||
| Wins in straight sets | 100% | 7/7 | 57% | 8/14 |
| Wins a set when losing | 22% | 4/18 | 26% | 6/23 |
| Goes to a deciding set | 16% | 4/25 | 32% | 12/37 |
| Covers −1.5 sets as favorite | 33% | 2/6 | 17% | 2/12 |
| Covers +1.5 sets as underdog | 38% | 5/13 | 50% | 10/20 |
| Tiebreak sets won | 25% | 2/8 | 29% | 5/17 |
| Wins after taking set 1 | 88% | 7/8 | 75% | 12/16 |
| Wins 2-0 after taking set 1 | 88% | 7/8 | 50% | 8/16 |
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 (Sumizawa 0, Oki 0).
Style Matchup
Playing styles and historical archetype record
Sumizawa
⚙️ Grinder
Oki
🛡️ The Spoiler
Matchup analysis
⚙️ Grinder vs 🛡️ The Spoiler is historically tight (50% vs 50%, 173 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
Jun 15, 2026
Futures 2026
H Hard
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Sumizawa | Oki | ||
|---|---|---|---|---|
| Outcome | Daisuke Sumizawa | Yuto Oki | ||
| 1 or more | 100% | 3/3 | 75% | 6/8 |
| 3 or more | 100% | 3/3 | 50% | 4/8 |
| 5 or more | 67% | 2/3 | 25% | 2/8 |
| 10 or more | 33% | 1/3 | 0% | 0/8 |
| 15 or more | 0% | 0/3 | 0% | 0/8 |
| 20 or more | 0% | 0/3 | 0% | 0/8 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Sumizawa | Oki |
|---|---|---|
| W-L | 0–7 | 5–6 |
| Avg odds | 3.16 | 1.88 |
| ROI % | -100.0% | -22.6% |
| Units P/L | -7.00u | -2.49u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Sumizawa | Oki |
|---|---|---|
| Countries | 1 | 1 |
| Events | 1 | 2 |
| Matches | 1 | 2 |
| Distance | — | — |
| Route | CHN | ROU |
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
Across 1 shared opponent, both Sumizawa and Oki posted a 100% win rate.
| Opponent | Sumizawa | Oki |
|---|---|---|
| Shion Itsusaki | W 75 64 | W 63 61 |
Recent Form
Last five matches per player
Donghyun Hwang
M15 Tianjin · 1st Round
Aug 5
Ryotaro Taguchi
M15 Bali · 1st Round
Jul 28
Jake Delaney
M15 Brisbane · 1st Round
Jul 22
Riku Takahata
Futures 2026
Jul 7
Haruto Ishikawa
Futures 2026
Jul 6
Riku Takahata
Futures 2026
Jun 30
Nuutti Jokinen
Futures 2026
Jun 29
Yuto Oki
Futures 2026
Jun 15
Alejandro Turriziani Alvarez
M15 Targu Jiu · 1st Round
Aug 11
Filiberto Fumagalli
M15 Curtea de Arges · 1st Round
Aug 4
Ryuki Matsuda
M15 Tokyo · 1st Round
Jul 8
Saki Tange
Futures 2026
Jul 7
Kokoro Isomura
M15 Tokyo · 2nd Round
Jul 2
Ryuki Matsuda
M15 Tokyo · 1st Round
Jul 1
Corban Crowther
Futures 2026
Jun 30
Tai Sach
M15 Tokyo · 2nd Round
Jun 18
Win rate
Matches, sets and games won · Last 12 months · 25–37 matches
| Metric | Sumizawa | Oki |
|---|---|---|
| Matches won | 28% | 38% |
| Sets won | 33% | 40% |
| Games won | 45% | 48% |
Record by tier
Head-to-head record by tournament tier
| Stage | Sumizawa | Oki |
|---|---|---|
| ITF M | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Sumizawa | Oki |
|---|---|---|
| Hard | 0 | 1 |
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