Alejandro Hayen vs Seiya NakanishiPrediction, Head-to-Head Results, and Stats
Alejandro Hayen and Seiya Nakanishi have met 1 time since 2026; Seiya Nakanishi leads 1–0. Across all meetings Hayen has taken 1 sets to Nakanishi's 2. Their most recent meeting: Seiya Nakanishi won at M25 Urayasu (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Hayen | Nakanishi | ||
|---|---|---|---|---|
| Indicator | Alejandro Hayen | Seiya Nakanishi | ||
| Wins in straight sets | 75% | 6/8 | 50% | 3/6 |
| Wins a set when losing | 29% | 4/14 | 8% | 1/12 |
| Goes to a deciding set | 27% | 6/22 | 22% | 4/18 |
| Covers −1.5 sets as favorite | 40% | 2/5 | — | |
| Covers +1.5 sets as underdog | 50% | 7/14 | 29% | 2/7 |
| Tiebreak sets won | 50% | 3/6 | 50% | 1/2 |
| Wins after taking set 1 | 73% | 8/11 | 80% | 4/5 |
| Wins 2-0 after taking set 1 | 55% | 6/11 | 60% | 3/5 |
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 (Hayen 0, Nakanishi 0).
Style Matchup
Playing styles and historical archetype record
Hayen
⚙️ Grinder
Nakanishi
🏃 Pusher
Previous meetings
1 career meeting, newest first
Aug 31, 2026
M25 Urayasu
H Hard · 3rd Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Hayen | Nakanishi |
|---|---|---|
| W-L | 0–2 | 2–3 |
| Avg odds | 2.30 | 9.06 |
| ROI % | -100.0% | +63.6% |
| Units P/L | -2.00u | +3.18u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Common opponents
Results vs. opponents both players faced · Last 12 months
Across 1 shared opponent, both Hayen and Nakanishi posted a 100% win rate.
| Opponent | Hayen | Nakanishi |
|---|---|---|
| Darwin Andres Macias Elizalde | W 62 64 | W 60 76 |
Recent Form
Last five matches per player
Saki Tange
M25 Sapporo · 1st Round
Sep 8
Seiya Nakanishi
M25 Urayasu · 3rd Round Qualifying
Aug 31
Reece Falck
M15 Rancho Santa Fe · 2nd Round
Jul 9
Joaquim de Almeida
M15 Rancho Santa Fe · 1st Round
Jul 8
Joaquim Almeida
Futures 2026
Jul 8
Juan Sebastian Osorio
Quito Challenger · 3rd Round Qualifying
Jun 29
Darwin Andres Macias Elizalde
Quito Challenger · 1st Round Qualifying
Jun 28
Tomas Martinez
Piracicaba Challenger · 1st Round Qualifying
Jun 21
Kuan-Yi Lee
M25 Sapporo · 2nd Round
Sep 10
Kazushi
M25 Sapporo · 1st Round
Sep 8
Makoto Ochi
M25 Sapporo · 3rd Round Qualifying
Sep 7
Taki Adachi
M25 Sapporo · 1st Round Qualifying
Sep 6
Naoya Honda
M25 Urayasu · 1st Round
Sep 2
Alejandro Hayen
M25 Urayasu · 3rd Round Qualifying
Aug 31
Iko Angelo
M25 Urayasu · 1st Round Qualifying
Aug 30
Kazuma Kawachi
M15 Tokyo · 1st Round Qualifying
Jul 6
Win rate
Matches, sets and games won · Last 12 months · 18–22 matches
| Metric | Hayen | Nakanishi |
|---|---|---|
| Matches won | 36% | 33% |
| Sets won | 40% | 33% |
| Games won | 46% | 43% |
Record by tier
Head-to-head record by tournament tier
| Stage | Hayen | Nakanishi |
|---|---|---|
| ITF M25 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Hayen | Nakanishi |
|---|---|---|
| Hard | 0 | 1 |
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