Hiromasa Koyama vs Wishaya TrongcharoenchaikulPrediction, Head-to-Head Results, and Stats
🇯🇵Hiromasa Koyama
#875 · 18 yrs
4w1 meeting · sets 2–0
🇹🇭Wishaya Trongcharoenchaikul
#976 · 31 yrs · R
Hiromasa Koyama and Wishaya Trongcharoenchaikul have met 1 time since 2026; Hiromasa Koyama leads 1–0. Across all meetings Koyama has taken 2 sets to Trongcharoenchaikul's 0. Their most recent meeting: Hiromasa Koyama won at M15 Wuning (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Koyama | Trongcharoenchaikul | ||
|---|---|---|---|---|
| Indicator | Hiromasa Koyama | Wishaya Trongcharoenchaikul | ||
| Wins in straight sets | 73% | 24/33 | 75% | 15/20 |
| Wins a set when losing | 20% | 4/20 | 42% | 14/33 |
| Goes to a deciding set | 25% | 13/53 | 36% | 19/53 |
| Covers −1.5 sets as favorite | 63% | 10/16 | 37% | 7/19 |
| Covers +1.5 sets as underdog | 48% | 12/25 | 42% | 10/24 |
| Tiebreak sets won | 56% | 9/16 | 31% | 8/26 |
| Wins after taking set 1 | 90% | 28/31 | 80% | 20/25 |
| Wins 2-0 after taking set 1 | 77% | 24/31 | 60% | 15/25 |
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 (Koyama 1, Trongcharoenchaikul 0).
Style Matchup
Playing styles and historical archetype record
Koyama
🧱 The Wall
Trongcharoenchaikul
🤖 Servebot
Matchup analysis
The 🤖 Servebot archetype wins about 62% vs 🧱 The Wall across 266 matches in our dataset: a stylistic lean toward Wishaya Trongcharoenchaikul.
Servebot players often use high ace rate and dominant service to pressure the the wall's elite returner.
Previous meetings
1 career meeting, newest first
Sep 11, 2026
M15 Wuning
H Hard · Quarterfinals
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Koyama | Trongcharoenchaikul | ||
|---|---|---|---|---|
| Outcome | Hiromasa Koyama | Wishaya Trongcharoenchaikul | ||
| 1 or more | 42% | 5/12 | 100% | 12/12 |
| 3 or more | 17% | 2/12 | 100% | 12/12 |
| 5 or more | 0% | 0/12 | 92% | 11/12 |
| 10 or more | 0% | 0/12 | 42% | 5/12 |
| 15 or more | 0% | 0/12 | 0% | 0/12 |
| 20 or more | 0% | 0/12 | 0% | 0/12 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Koyama | Trongcharoenchaikul |
|---|---|---|
| W-L | 10–3 | 4–8 |
| Avg odds | 2.14 | 2.33 |
| ROI % | +30.8% | -50.3% |
| Units P/L | +4.00u | -6.04u |
Common opponents
Results vs. opponents both players faced · Last 12 months
Koyama has a higher win rate against shared opponents (60% vs Trongcharoenchaikul's 20%).
| Opponent | Koyama | Trongcharoenchaikul |
|---|---|---|
| Zichen Shao | W 64 64 | W 64 64 |
| Luca Castelnuovo | L 63 67 16 | L 57 26 |
| Shinji Hazawa | W 67 61 62 | L 63 57 36 |
| Matthew Dellavedova | L 16 26 | L 67 36 |
| Noritaka Koizumi | W 64 64 | L 62 67 67 |
Recent Form
Last five matches per player
Zhao Zhao
M15 Wuning · Final
Sep 13
Jaesung Choe
M15 Wuning · Semifinals
Sep 12
Wishaya Trongcharoenchaikul
M15 Wuning · Quarterfinals
Sep 11
Zichen Shao
M15 Wuning · 2nd Round
Sep 10
Zichen Shao
M15 Wuning · 2nd Round
Sep 10
Yue Xia
M15 Wuning · 1st Round
Sep 9
Qian Sun
M15 Wuning · 2nd Round
Sep 3
Lachlan Vickery
M15 Wuning · 1st Round
Sep 2
Kazuki Nakajima
M25 Qian Daohu · 1st Round Qualifying
Oct 11
Taiyo Yamanaka
M25 Luan · 1st Round
Oct 7
Jesse Flores
Guangzhou Challenger · 1st Round Qualifying
Sep 13
Hiromasa Koyama
M15 Wuning · Quarterfinals
Sep 11
Alex Jones
M15 Wuning · 2nd Round
Sep 10
Yuan Cheng Yang
M15 Wuning · 1st Round
Sep 9
Zijiang Yang
M15 Wuning · 2nd Round
Sep 3
Zhengyu Sun
M15 Wuning · 1st Round
Sep 2
Win rate
Matches, sets and games won · Last 12 months · 53–53 matches
| Metric | Koyama | Trongcharoenchaikul |
|---|---|---|
| Matches won | 62% | 38% |
| Sets won | 59% | 43% |
| Games won | 53% | 49% |
Record by tier
Head-to-head record by tournament tier
| Stage | Koyama | Trongcharoenchaikul |
|---|---|---|
| ITF M15 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Koyama | Trongcharoenchaikul |
|---|---|---|
| Hard | 1 | 0 |
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