Noritaka Koizumi vs Shion YamadaPrediction, Head-to-Head Results, and Stats
Noritaka Koizumi and Shion Yamada have met 1 time since 2026; Noritaka Koizumi leads 1–0. Across all meetings Koizumi has taken 2 sets to Yamada's 0. Their most recent meeting: Noritaka Koizumi won at M15 Luan (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Koizumi | Yamada | ||
|---|---|---|---|---|
| Indicator | Noritaka Koizumi | Shion Yamada | ||
| Wins in straight sets | 80% | 20/25 | 100% | 6/6 |
| Wins a set when losing | 13% | 2/15 | 20% | 2/10 |
| Goes to a deciding set | 18% | 7/40 | 13% | 2/16 |
| Covers −1.5 sets as favorite | 60% | 6/10 | — | |
| Covers +1.5 sets as underdog | 47% | 8/17 | 25% | 1/4 |
| Tiebreak sets won | 58% | 7/12 | 20% | 1/5 |
| Wins after taking set 1 | 95% | 21/22 | 86% | 6/7 |
| Wins 2-0 after taking set 1 | 91% | 20/22 | 86% | 6/7 |
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 (Koizumi 1, Yamada 0).
Style Matchup
Playing styles and historical archetype record
Koizumi
🧱 The Wall
Yamada
⚙️ Grinder
Matchup analysis
🧱 The Wall vs ⚙️ Grinder is historically tight (50% vs 50%, 98 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 18, 2026
M15 Luan
H Hard · 2nd Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Koizumi | Yamada |
|---|---|---|
| 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 (75% vs Yamada's 25%).
| Opponent | Koizumi | Yamada |
|---|---|---|
| Ryota Tanuma | W 61 63 | L 46 26 |
| Yua Taka | L 57 63 510 | L 26 64 610 |
| Muyou Zou | W 62 61 | W 63 61 |
| Sam Ryan Ziegann | W 75 62 | L 76 67 510 |
Recent Form
Last five matches per player
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
Ryota Tanuma
M15 Tokyo · 1st Round
Jul 8
Ye Cong Mo
M15 Luan · 1st Round
Jun 3
Zolbadar Urnukh
M15 Luan · 3rd Round Qualifying
Jun 2
Shijie Chen
M15 Luan · 2nd Round Qualifying
Jun 1
Ryusei Miyazato
M15 Luan · 1st Round Qualifying
May 31
Tzu-Yuan Tseng
M15 Luan · 2nd Round Qualifying
May 25
Chun-Hsin Tseng
Futures 2026
May 25
Sile Hu
M15 Luan · 1st Round Qualifying
May 24
Win rate
Matches, sets and games won · Last 12 months · 16–40 matches
| Metric | Koizumi | Yamada |
|---|---|---|
| Matches won | 63% | 38% |
| Sets won | 60% | 41% |
| Games won | 53% | 47% |
Record by tier
Head-to-head record by tournament tier
| Stage | Koizumi | Yamada |
|---|---|---|
| ITF M15 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Koizumi | Yamada |
|---|---|---|
| Hard | 1 | 0 |
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