Hiromasa Koyama vs Matthew DellavedovaPrediction, Head-to-Head Results, and Stats
๐ฏ๐ตHiromasa Koyama
#1156 ยท 18 yrs
32 meetings ยท sets 0โ4

๐ฆ๐บMatthew Dellavedova
#299 ยท 26 yrs ยท R
4TitleHiromasa Koyama and Matthew Dellavedova have met 2 times since 2026; Matthew Dellavedova leads 2โ0. Their first meeting came at M15 Tokyo in 2026 on hard. On hard courts Dellavedova leads 2โ0. Dellavedova has won the last 2 meetings. Across all meetings Koyama has taken 0 sets to Dellavedova's 4. Their most recent meeting: Matthew Dellavedova won at M25 Taipei (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches ยท Last 12 months
| Indicator | Koyama | Dellavedova | ||
|---|---|---|---|---|
| Indicator | Hiromasa Koyama | Matthew Dellavedova | ||
| Wins in straight sets | 67% | 8/12 | 83% | 78/94 |
| Wins a set when losing | 28% | 5/18 | 32% | 12/38 |
| Goes to a deciding set | 30% | 9/30 | 21% | 28/132 |
| Covers โ1.5 sets as favorite | 50% | 2/4 | 66% | 53/80 |
| Covers +1.5 sets as underdog | 50% | 11/22 | 55% | 18/33 |
| Tiebreak sets won | 50% | 6/12 | 55% | 18/33 |
| Wins after taking set 1 | 73% | 11/15 | 94% | 84/89 |
| Wins 2-0 after taking set 1 | 53% | 8/15 | 88% | 78/89 |
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: 2 of 2 completed meetings ended in straight sets (Koyama 0, Dellavedova 2).
Style Matchup
Playing styles and historical archetype record
Koyama
๐ช Counterpuncher
Dellavedova
๐ The Complete Package
Matchup analysis
The ๐ The Complete Package archetype wins about 56% vs ๐ช Counterpuncher across 458 matches in our dataset: a stylistic lean toward Matthew Dellavedova.
The Complete Package players often use elite serve & return and high bp conversion to pressure the counterpuncher's elite bp conversion.
Previous meetings
2 career meetings, newest first
Aug 21, 2026
M25 Taipei
H Hard ยท 2nd Round
Jul 8, 2026
M15 Tokyo
H Hard ยท 1st Round
Prop Research
Hit rates on common betting markets ยท Last 90 days
| Outcome | Koyama | Dellavedova | ||
|---|---|---|---|---|
| Outcome | Hiromasa Koyama | Matthew Dellavedova | ||
| 1 or more | 70% | 7/10 | 92% | 47/51 |
| 3 or more | 10% | 1/10 | 43% | 22/51 |
| 5 or more | 0% | 0/10 | 18% | 9/51 |
| 10 or more | 0% | 0/10 | 4% | 2/51 |
| 15 or more | 0% | 0/10 | 0% | 0/51 |
| 20 or more | 0% | 0/10 | 0% | 0/51 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches ยท Last 90 days
| Metric | Koyama | Dellavedova |
|---|---|---|
| W-L | 5โ6 | 44โ8 |
| Avg odds | 3.54 | 1.43 |
| ROI % | +13.9% | +13.1% |
| Units P/L | +1.53u | +6.83u |
Travel
Last 30 days
| Metric | Koyama | Dellavedova |
|---|---|---|
| Countries | 1 | 3 |
| Events | 2 | 5 |
| Matches | 4 | 18 |
| Distance | โ | โ |
| Route | TPE | AUS โ CHN โ TPE |
Host country from the tournament each match was played in, over the last 30 days. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced ยท Last 12 months
Dellavedova has a higher win rate against shared opponents (60% vs Koyama's 40%).
| Opponent | Koyama | Dellavedova |
|---|---|---|
| Luca Castelnuovo | L 63 67 16 | L 46 60 26 |
| Shinji Hazawa | W 67 61 62 | W 64 16 76 |
| Yuki Mochizuki | W 64 64 | W 63 36 60 |
| Jake Delaney | L 36 16 | L 57 36 |
| Hayden Jones | L 46 67 | W 75 63 |
| Yusuke Kusuhara | L 62 57 36 | W 46 63 76 |
| Yusuke Takahashi | L 67 26 | W 75 63 |
| Max Purcell | L 26 16 | L 06 16 |
| Hoyoung Roh | W 76 62 | W 75 64 |
| Colin Sinclair | W 76 76 | L 46 67 |
Recent Form
Last five matches per player
Luca Castelnuovo
M25 Taipei ยท 2nd Round
Aug 27
Shinji Hazawa
M25 Taipei ยท 1st Round
Aug 26
Matthew Dellavedova
M25 Taipei ยท 2nd Round
Aug 21
Yuki Mochizuki
M25 Taipei ยท 1st Round
Aug 18
Matthew Dellavedova
M15 Tokyo ยท 1st Round
Jul 8
Yusuke Takahashi
M15 Tokyo ยท 1st Round
Jun 30
Max Purcell
M15 Tokyo ยท 1st Round
Jun 17
Hayden Jones
M15 Tokyo ยท 1st Round
Jun 10
Kasidit Samrej
M25 Taipei ยท Semifinals
Aug 29
Kristjan Tamm
M25 Taipei ยท Quarterfinals
Aug 28
Tai Sach
M25 Taipei ยท 2nd Round
Aug 27
Keisuke Saitoh
M25 Taipei ยท 1st Round
Aug 26
Yu Hsiou Hsu
M25 Taipei ยท Final
Aug 23
Shunsuke Mitsui
M25 Taipei ยท Semifinals
Aug 22
Tai Sach
M25 Taipei ยท Quarterfinals
Aug 21
Hiromasa Koyama
M25 Taipei ยท 2nd Round
Aug 21
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won ยท Last 12 months ยท 30โ132 matches
| Metric | Koyama | Dellavedova |
|---|---|---|
| Matches won | 40% | 71% |
| Sets won | 42% | 68% |
| Games won | 46% | 58% |
Record by tier
Head-to-head record by tournament tier
| Stage | Koyama | Dellavedova |
|---|---|---|
| ITF M25 | 0 | 1 |
| ITF M15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Koyama | Dellavedova |
|---|---|---|
| Hard | 0 | 2 |
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