Hiromasa Koyama vs Yuki MochizukiPrediction, Head-to-Head Results, and Stats
Hiromasa Koyama and Yuki Mochizuki have met 1 time since 2026; Hiromasa Koyama leads 1–0. Across all meetings Koyama has taken 2 sets to Mochizuki's 0. Their most recent meeting: Hiromasa Koyama won at M25 Taipei (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Koyama | Mochizuki | ||
|---|---|---|---|---|
| Indicator | Hiromasa Koyama | Yuki Mochizuki | ||
| Wins in straight sets | 73% | 24/33 | 62% | 13/21 |
| Wins a set when losing | 20% | 4/20 | 19% | 6/31 |
| Goes to a deciding set | 25% | 13/53 | 27% | 14/52 |
| Covers −1.5 sets as favorite | 63% | 10/16 | 39% | 9/23 |
| Covers +1.5 sets as underdog | 48% | 12/25 | 35% | 9/26 |
| Tiebreak sets won | 56% | 9/16 | 54% | 7/13 |
| Wins after taking set 1 | 90% | 28/31 | 94% | 16/17 |
| Wins 2-0 after taking set 1 | 77% | 24/31 | 76% | 13/17 |
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, Mochizuki 0).
Style Matchup
Playing styles and historical archetype record
Koyama
🧱 The Wall
Mochizuki
🪃 Counterpuncher
Matchup analysis
The 🪃 Counterpuncher archetype wins about 55% vs 🧱 The Wall across 685 matches in our dataset: a stylistic lean toward Yuki Mochizuki.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the wall's elite returner.
Previous meetings
1 career meeting, newest first
Aug 18, 2026
M25 Taipei
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Koyama | Mochizuki | ||
|---|---|---|---|---|
| Outcome | Hiromasa Koyama | Yuki Mochizuki | ||
| 1 or more | 42% | 5/12 | 85% | 11/13 |
| 3 or more | 17% | 2/12 | 46% | 6/13 |
| 5 or more | 0% | 0/12 | 15% | 2/13 |
| 10 or more | 0% | 0/12 | 0% | 0/13 |
| 15 or more | 0% | 0/12 | 0% | 0/13 |
| 20 or more | 0% | 0/12 | 0% | 0/13 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Koyama | Mochizuki |
|---|---|---|
| W-L | 10–3 | 7–6 |
| Avg odds | 2.14 | 1.80 |
| ROI % | +30.8% | -26.4% |
| Units P/L | +4.00u | -3.43u |
Common opponents
Results vs. opponents both players faced · Last 12 months
Koyama has a higher win rate against shared opponents (71% vs Mochizuki's 43%).
| Opponent | Koyama | Mochizuki |
|---|---|---|
| Jaesung Choe | W 64 75 | W 64 46 61 |
| Zichen Shao | W 64 64 | W 60 60 |
| Shinji Hazawa | W 67 61 62 | L 16 46 |
| Taisei Ichikawa | W 46 76 105 | L 67 36 |
| Matthew Dellavedova | L 16 26 | L 36 63 06 |
| Ryota Tanuma | W 61 46 76 | W 62 63 |
| Bekkhan Atlangeriev | L 16 26 | L 16 26 |
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
Chase Ferguson
M25 Sapporo · 2nd Round
Sep 10
Makoto Ochi
M25 Sapporo · 1st Round
Sep 8
Kasidit Samrej
M25 Taipei · 1st Round
Aug 26
Chuan En Hsu
M25 Taipei · 3rd Round Qualifying
Aug 25
Shih Chieh Lin
M25 Taipei · 1st Round Qualifying
Aug 23
Hiromasa Koyama
M25 Taipei · 1st Round
Aug 18
Fanming Meng
M15 Tianjin · 1st Round
Aug 12
Matthew Dellavedova
M15 Tianjin · Final
Aug 9
Win rate
Matches, sets and games won · Last 12 months · 52–53 matches
| Metric | Koyama | Mochizuki |
|---|---|---|
| Matches won | 62% | 40% |
| Sets won | 59% | 41% |
| Games won | 53% | 47% |
Record by tier
Head-to-head record by tournament tier
| Stage | Koyama | Mochizuki |
|---|---|---|
| ITF M25 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Koyama | Mochizuki |
|---|---|---|
| Hard | 1 | 0 |
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