Heimanarii Lai San vs Natsuki YamamotoPrediction, Head-to-Head Results, and Stats
Heimanarii Lai San and Natsuki Yamamoto have met 1 time since 2026; Natsuki Yamamoto leads 1–0. Across all meetings San has taken 0 sets to Yamamoto's 2. Their most recent meeting: Natsuki Yamamoto won at M15 Wuning (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Lai San | Yamamoto | ||
|---|---|---|---|---|
| Indicator | Heimanarii Lai San | Natsuki Yamamoto | ||
| Wins in straight sets | — | 43% | 3/7 | |
| Wins a set when losing | 0% | 0/5 | 29% | 4/14 |
| Goes to a deciding set | 0% | 0/5 | 38% | 8/21 |
| Covers −1.5 sets as favorite | — | 100% | 1/1 | |
| Covers +1.5 sets as underdog | 0% | 0/1 | 40% | 2/5 |
| Tiebreak sets won | — | 50% | 3/6 | |
| Wins after taking set 1 | — | 80% | 4/5 | |
| Wins 2-0 after taking set 1 | — | 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. Small sample — read with care. Head-to-head: 1 of 1 completed meetings ended in straight sets (Lai San 0, Yamamoto 1).
Previous meetings
1 career meeting, newest first
Sep 6, 2026
M15 Wuning
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 | Yamamoto |
|---|---|---|
| W-L | - | 1–3 |
| Avg odds | - | 3.55 |
| ROI % | - | -38.8% |
| Units P/L | - | -1.55u |
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
Yamamoto has a higher win rate against shared opponents (100% vs San's 0%).
| Opponent | San | Yamamoto |
|---|---|---|
| Tommy Camus | L 06 16 | W 67 76 119 |
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
Chen Yu Lu
M15 Wuning · 1st Round
Sep 9
Xin Zhou
M15 Wuning · 3rd Round Qualifying
Sep 8
Artem Markelov
M15 Wuning · 2nd Round Qualifying
Sep 7
Heimanarii Lai San
M15 Wuning · 1st Round Qualifying
Sep 6
Xin Zhou
M15 Wuning · 3rd Round Qualifying
Sep 1
Aleksei Vidunov
M15 Wuning · 2nd Round Qualifying
Aug 31
Xirui Han
M15 Maanshan · 3rd Round Qualifying
Aug 25
Zhe Jiang
M15 Maanshan · 2nd Round Qualifying
Aug 24
Win rate
Matches, sets and games won · Last 12 months · 5–21 matches
| Metric | San | Yamamoto |
|---|---|---|
| Matches won | 0% | 33% |
| Sets won | 0% | 36% |
| Games won | 21% | 46% |
Record by tier
Head-to-head record by tournament tier
| Stage | San | Yamamoto |
|---|---|---|
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | San | Yamamoto |
|---|---|---|
| Hard | 0 | 1 |
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