Naoki Tajima vs San Hui SinPrediction, Head-to-Head Results, and Stats
Naoki Tajima and San Hui Sin have met 1 time since 2026; San Hui Sin leads 1–0. Across all meetings Tajima has taken 0 sets to Sin's 2. Their most recent meeting: San Hui Sin won at M15 Gimcheon (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Tajima | Hui Sin | ||
|---|---|---|---|---|
| Indicator | Naoki Tajima | San Hui Sin | ||
| Wins in straight sets | 75% | 6/8 | 86% | 12/14 |
| Wins a set when losing | 9% | 1/11 | 20% | 1/5 |
| Goes to a deciding set | 16% | 3/19 | 16% | 3/19 |
| Covers −1.5 sets as favorite | 25% | 1/4 | 0% | 0/4 |
| Covers +1.5 sets as underdog | 25% | 2/8 | 0% | 0/1 |
| Tiebreak sets won | 0% | 0/2 | — | |
| Wins after taking set 1 | 89% | 8/9 | 100% | 13/13 |
| Wins 2-0 after taking set 1 | 67% | 6/9 | 92% | 12/13 |
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 (Tajima 0, Hui Sin 1).
Style Matchup
Playing styles and historical archetype record
Tajima
🛡️ The Spoiler
Sin
🪃 Counterpuncher
Matchup analysis
🛡️ The Spoiler vs 🪃 Counterpuncher is historically tight (50% vs 50%, 115 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
1 career meeting, newest first
May 28, 2026
M15 Gimcheon
H Hard · Round of 16
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Tajima | Sin |
|---|---|---|
| W-L | 0–2 | - |
| Avg odds | 7.06 | - |
| ROI % | -100.0% | - |
| Units P/L | -2.00u | - |
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
Tajima has a higher win rate against shared opponents (100% vs Sin's 50%).
| Opponent | Tajima | Sin |
|---|---|---|
| Dong Ju Kim | W 63 46 62 | L 36 57 |
| Kokoro Isomura | W 63 64 | W 60 64 |
Recent Form
Last five matches per player
Ryan Seggerman
Wuning 3 Challenger · 1st Round Qualifying
Oct 4
Yu Tanaka
M25 Urayasu · 3rd Round Qualifying
Aug 31
Toshihide Matsui
M25 Urayasu · 1st Round Qualifying
Aug 30
Tuncay Duran
Samsun Challenger · 1st Round Qualifying
Jul 26
Dinko Dinev
Plovdiv Challenger · 3rd Round Qualifying
Jun 22
Alex Ganchev
Plovdiv Challenger · 1st Round Qualifying
Jun 21
Nitin Kumar Sinha
Royan Atlantique Open · 1st Round Qualifying
Jun 14
Yanis Ghazouani Durand
M25 Kiseljak · 1st Round
Jun 10
Dong Ju Kim
M15 Gimcheon · Semifinals
May 30
Yeonsu Jeong
M15 Gimcheon · Quarterfinals
May 29
Naoki Tajima
M15 Gimcheon · Round of 16
May 28
Kazuma Kawachi
M15 Gimcheon · Round of 32
May 27
Yunseok Jang
M15 Gimcheon · Final
May 24
Tai Leonard Sach
M15 Gimcheon · Semifinals
May 23
Yun Seong Chung
M15 Gimcheon · Quarterfinals
May 22
Sungbeen Sim
M15 Gimcheon · Round of 16
May 21
Win rate
Matches, sets and games won · Last 12 months · 19–19 matches
| Metric | Tajima | Sin |
|---|---|---|
| Matches won | 42% | 74% |
| Sets won | 41% | 71% |
| Games won | 48% | 59% |
Record by tier
Head-to-head record by tournament tier
| Stage | Tajima | Sin |
|---|---|---|
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Tajima | Sin |
|---|---|---|
| Hard | 0 | 1 |
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