Daisuke Sumizawa vs Seiya NakanishiPrediction, Head-to-Head Results, and Stats
Daisuke Sumizawa and Seiya Nakanishi have met 1 time since 2022; Daisuke Sumizawa leads 1–0. Across all meetings Sumizawa has taken 2 sets to Nakanishi's 0. Their most recent meeting: Daisuke Sumizawa won at Yokohama (2022).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Sumizawa | Nakanishi | ||
|---|---|---|---|---|
| Indicator | Daisuke Sumizawa | Seiya Nakanishi | ||
| Wins in straight sets | 100% | 7/7 | 67% | 2/3 |
| Wins a set when losing | 22% | 4/18 | 0% | 0/5 |
| Goes to a deciding set | 16% | 4/25 | 13% | 1/8 |
| Covers −1.5 sets as favorite | 33% | 2/6 | 0% | 0/1 |
| Covers +1.5 sets as underdog | 38% | 5/13 | 25% | 1/4 |
| Tiebreak sets won | 25% | 2/8 | — | |
| Wins after taking set 1 | 88% | 7/8 | 100% | 2/2 |
| Wins 2-0 after taking set 1 | 88% | 7/8 | 100% | 2/2 |
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. Small sample — read with care. Head-to-head: 1 of 1 completed meetings ended in straight sets (Sumizawa 1, Nakanishi 0).
Previous meetings
1 career meeting, newest first
Oct 30, 2022
Yokohama
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 | Sumizawa | Nakanishi |
|---|---|---|
| W-L | 0–7 | 0–3 |
| Avg odds | 3.16 | 5.55 |
| ROI % | -100.0% | -100.0% |
| Units P/L | -7.00u | -3.00u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Sumizawa | Nakanishi |
|---|---|---|
| Countries | 1 | — |
| Events | 1 | — |
| Matches | 1 | — |
| Distance | — | — |
| Route | CHN | — |
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 Nakanishi posted a 0% win rate.
| Opponent | Sumizawa | Nakanishi |
|---|---|---|
| Ryotaro Taguchi | L 36 16 | L 46 57 |
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
Kazuma Kawachi
Futures 2026
Jul 6
Ryotaro Taguchi
Futures 2026
Jun 29
Tai Leonard Sach
M15 Harmon · Round of 32
Jun 3
Tai Sach
M15 Harmon · 1st Round
Jun 3
Duckhee Lee
Futures 2026
Jun 1
Yuta Kawahashi
M15 Yanagawa City 1 · 2nd Round
Oct 30
Hong-Lin Fu
M15 Yanagawa City 1 · 1st Round
Oct 29
Hong Lin Fu
M15 Yanagawa City · Round of 32
Oct 29
Win rate
Matches, sets and games won · Last 12 months · 8–25 matches
| Metric | Sumizawa | Nakanishi |
|---|---|---|
| Matches won | 28% | 38% |
| Sets won | 33% | 35% |
| Games won | 45% | 43% |
Record by tier
Head-to-head record by tournament tier
| Stage | Sumizawa | Nakanishi |
|---|---|---|
| ATP Challenger Tour | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Sumizawa | Nakanishi |
|---|---|---|
| Hard | 1 | 0 |
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