Hiromasa Koyama vs Jaesung ChoePrediction, Head-to-Head Results, and Stats
Hiromasa Koyama and Jaesung Choe have met 1 time since 2026; Hiromasa Koyama leads 1–0. Across all meetings Koyama has taken 2 sets to Choe'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 | Choe | ||
|---|---|---|---|---|
| Indicator | Hiromasa Koyama | Jaesung Choe | ||
| Wins in straight sets | 73% | 24/33 | 53% | 8/15 |
| Wins a set when losing | 20% | 4/20 | 17% | 2/12 |
| Goes to a deciding set | 25% | 13/53 | 33% | 9/27 |
| Covers −1.5 sets as favorite | 63% | 10/16 | 60% | 6/10 |
| Covers +1.5 sets as underdog | 48% | 12/25 | 44% | 4/9 |
| Tiebreak sets won | 56% | 9/16 | 33% | 2/6 |
| Wins after taking set 1 | 90% | 28/31 | 92% | 11/12 |
| Wins 2-0 after taking set 1 | 77% | 24/31 | 67% | 8/12 |
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, Choe 0).
Style Matchup
Playing styles and historical archetype record
Koyama
🧱 The Wall
Choe
💥 Big Hitter
Matchup analysis
The 💥 Big Hitter archetype wins about 57% vs 🧱 The Wall across 374 matches in our dataset: a stylistic lean toward Jaesung Choe.
Big Hitter players often use power groundstrokes and high winner count to pressure the the wall's elite returner.
Previous meetings
1 career meeting, newest first
Sep 12, 2026
M15 Wuning
H Hard · Semifinals
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Koyama | Choe | ||
|---|---|---|---|---|
| Outcome | Hiromasa Koyama | Jaesung Choe | ||
| 1 or more | 42% | 5/12 | 71% | 5/7 |
| 3 or more | 17% | 2/12 | 57% | 4/7 |
| 5 or more | 0% | 0/12 | 14% | 1/7 |
| 10 or more | 0% | 0/12 | 0% | 0/7 |
| 15 or more | 0% | 0/12 | 0% | 0/7 |
| 20 or more | 0% | 0/12 | 0% | 0/7 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Koyama | Choe |
|---|---|---|
| W-L | 10–3 | 5–2 |
| Avg odds | 2.14 | 2.18 |
| ROI % | +30.8% | +28.3% |
| Units P/L | +4.00u | +1.98u |
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
Koyama has a higher win rate against shared opponents (83% vs Choe's 33%).
| Opponent | Koyama | Choe |
|---|---|---|
| Zhao Zhao | W 61 63 | W 46 64 60 |
| Zichen Shao | W 64 64 | W 61 61 |
| Taisei Ichikawa | W 46 76 105 | L 64 36 26 |
| Yuki Mochizuki | W 64 64 | L 46 64 16 |
| Jake Delaney | L 36 16 | L 46 67 |
| Noritaka Koizumi | W 64 64 | L 57 06 |
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
Hiromasa Koyama
M15 Wuning · Semifinals
Sep 12
Yuta Tomida
M15 Wuning · Quarterfinals
Sep 11
Shijie Chen
M15 Wuning · 2nd Round
Sep 10
Mattias Southcombe
M15 Wuning · 1st Round
Sep 9
Geun Jun Kim
M15 Wuning · 1st Round
Sep 2
Ku Keon Kang
M15 Maanshan · 2nd Round Qualifying
Aug 17
Yuan Cheng Yang
M15 Maanshan · 1st Round Qualifying
Aug 16
Omar Jasika
M15 Tianjin · 2nd Round
Aug 13
Win rate
Matches, sets and games won · Last 12 months · 27–53 matches
| Metric | Koyama | Choe |
|---|---|---|
| Matches won | 62% | 56% |
| Sets won | 59% | 51% |
| Games won | 53% | 51% |
Record by tier
Head-to-head record by tournament tier
| Stage | Koyama | Choe |
|---|---|---|
| ITF M15 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Koyama | Choe |
|---|---|---|
| Hard | 1 | 0 |
Share this matchup
Copy the link to paste in Discord or group chats.