Heimanarii Lai San vs Noritaka KoizumiPrediction, Head-to-Head Results, and Stats
Heimanarii Lai San and Noritaka Koizumi have met 1 time since 2026; Noritaka Koizumi leads 1–0. Across all meetings San has taken 0 sets to Koizumi's 2. Their most recent meeting: Noritaka Koizumi won at M15 Tokyo (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Lai San | Koizumi | ||
|---|---|---|---|---|
| Indicator | Heimanarii Lai San | Noritaka Koizumi | ||
| Wins in straight sets | — | 80% | 20/25 | |
| Wins a set when losing | 0% | 0/5 | 13% | 2/15 |
| Goes to a deciding set | 0% | 0/5 | 18% | 7/40 |
| Covers −1.5 sets as favorite | — | 60% | 6/10 | |
| Covers +1.5 sets as underdog | 0% | 0/1 | 47% | 8/17 |
| Tiebreak sets won | — | 58% | 7/12 | |
| Wins after taking set 1 | — | 95% | 21/22 | |
| Wins 2-0 after taking set 1 | — | 91% | 20/22 | |
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 (Lai San 0, Koizumi 1).
Previous meetings
1 career meeting, newest first
Jun 14, 2026
M15 Tokyo
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 | San | Koizumi |
|---|---|---|
| W-L | - | 3–5 |
| Avg odds | - | 3.01 |
| ROI % | - | -10.8% |
| Units P/L | - | -0.86u |
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
Koizumi has a higher win rate against shared opponents (100% vs San's 0%).
| Opponent | San | Koizumi |
|---|---|---|
| Tommy Camus | L 06 16 | W 62 61 |
Recent Form
Last five matches per player
Tommy Camus
M25 Darwin · 1st Round Qualifying
Oct 4
Aleksandar Govedarica
M25 Darwin · 1st Round Qualifying
Sep 27
Daniil Savelev
M25 Guiyang · 1st Round Qualifying
Sep 13
Natsuki Yamamoto
M15 Wuning · 1st Round Qualifying
Sep 6
Noritaka Koizumi
M15 Tokyo · 1st Round Qualifying
Jun 14
Noritaka Koizumi
Futures 2026
Jun 14
Kazuki Nishiwaki
M15 Harmon · 1st Round
Jun 2
Riley Breen
M25 Timaru 1 · 1st Round Qualifying
Mar 8
Taisei Ichikawa
Phan Thiet 3 Challenger · 1st Round Qualifying
Sep 6
Shunsuke Mitsui
M25 Urayasu · 2nd Round
Sep 3
Riku Takahata
M25 Urayasu · 1st Round
Sep 1
Kristjan Tamm
M25 Taipei · 3rd Round Qualifying
Aug 25
Lin Hao Yu
M25 Taipei · 1st Round Qualifying
Aug 23
Masamichi Imamura
M25 Taipei · 2nd Round
Aug 21
Kuan-Yi Lee
M25 Taipei · 1st Round
Aug 20
Ryota Tanuma
M25 Taipei · 3rd Round Qualifying
Aug 17
Win rate
Matches, sets and games won · Last 12 months · 5–40 matches
| Metric | San | Koizumi |
|---|---|---|
| Matches won | 0% | 63% |
| Sets won | 0% | 60% |
| Games won | 21% | 53% |
Record by tier
Head-to-head record by tournament tier
| Stage | San | Koizumi |
|---|---|---|
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | San | Koizumi |
|---|---|---|
| Hard | 0 | 1 |
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