Hiromasa Koyama vs Shinji HazawaPrediction, Head-to-Head Results, and Stats
Hiromasa Koyama and Shinji Hazawa have met 2 times since 2025; they are level 1–1. Their first meeting came at M25 Sapporo 1 in 2025 on hard. On hard courts they are level 1–1. Across all meetings Koyama has taken 3 sets to Hazawa's 3. 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 | Hazawa | ||
|---|---|---|---|---|
| Indicator | Hiromasa Koyama | Shinji Hazawa | ||
| Wins in straight sets | 67% | 8/12 | 50% | 17/34 |
| Wins a set when losing | 28% | 5/18 | 37% | 14/38 |
| Goes to a deciding set | 30% | 9/30 | 43% | 31/72 |
| Covers −1.5 sets as favorite | 50% | 2/4 | 32% | 11/34 |
| Covers +1.5 sets as underdog | 50% | 11/22 | 50% | 16/32 |
| Tiebreak sets won | 50% | 6/12 | 33% | 7/21 |
| Wins after taking set 1 | 73% | 11/15 | 67% | 18/27 |
| Wins 2-0 after taking set 1 | 53% | 8/15 | 63% | 17/27 |
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: 0 of 2 completed meetings ended in straight sets (Koyama 0, Hazawa 0).
Style Matchup
Playing styles and historical archetype record
Koyama
🪃 Counterpuncher
Hazawa
⚙️ Grinder
Matchup analysis
🪃 Counterpuncher vs ⚙️ Grinder is historically tight (50% vs 50%, 1,208 matches). Neither style has a clear edge, so form, surface, and the head-to-head matter most.
Previous meetings
2 career meetings, newest first
Aug 26, 2026
M25 Taipei
H Hard · 1st Round
Sep 2, 2025
M25 Sapporo 1
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Koyama | Hazawa | ||
|---|---|---|---|---|
| Outcome | Hiromasa Koyama | Shinji Hazawa | ||
| 1 or more | 70% | 7/10 | 100% | 15/15 |
| 3 or more | 10% | 1/10 | 67% | 10/15 |
| 5 or more | 0% | 0/10 | 53% | 8/15 |
| 10 or more | 0% | 0/10 | 0% | 0/15 |
| 15 or more | 0% | 0/10 | 0% | 0/15 |
| 20 or more | 0% | 0/10 | 0% | 0/15 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Koyama | Hazawa |
|---|---|---|
| W-L | 5–6 | 6–10 |
| Avg odds | 3.54 | 2.36 |
| ROI % | +13.9% | -47.4% |
| Units P/L | +1.53u | -7.58u |
Travel
Last 30 days
| Metric | Koyama | Hazawa |
|---|---|---|
| Countries | 1 | 2 |
| Events | 2 | 3 |
| Matches | 4 | 3 |
| Distance | — | — |
| Route | TPE | CHN → 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 · Last 12 months
Koyama has a higher win rate against shared opponents (75% vs Hazawa's 25%).
| Opponent | Koyama | Hazawa |
|---|---|---|
| Matthew Dellavedova | L 16 26 | L 46 61 67 |
| Yuki Mochizuki | W 64 64 | W 61 64 |
| Colin Sinclair | W 76 76 | L 67 64 67 |
| Hikaru Shiraishi | W 76 26 63 | L 67 36 |
Recent Form
Last five matches per player
Luca Castelnuovo
M25 Taipei · 2nd Round
Aug 27
Shinji Hazawa
M25 Taipei · 1st Round
Aug 26
Matthew Dellavedova
M25 Taipei · 2nd Round
Aug 21
Yuki Mochizuki
M25 Taipei · 1st Round
Aug 18
Matthew Dellavedova
M15 Tokyo · 1st Round
Jul 8
Yusuke Takahashi
M15 Tokyo · 1st Round
Jun 30
Max Purcell
M15 Tokyo · 1st Round
Jun 17
Hayden Jones
M15 Tokyo · 1st Round
Jun 10
Hiromasa Koyama
M25 Taipei · 1st Round
Aug 26
Masamichi Imamura
M25 Taipei · 1st Round
Aug 19
Matthew Dellavedova
M15 Tianjin · Quarterfinals
Aug 14
Venedikt Tsirikidze
M15 Tianjin · 1st Round
Aug 12
Moerani Bouzige
M15 Brisbane · Quarterfinals
Jul 31
Daniel Jovanovski
M15 Brisbane · 2nd Round
Jul 30
Cooper Kose
M15 Brisbane · 1st Round
Jul 28
Matthew Dellavedova
M15 Brisbane · 2nd Round
Jul 23
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 30–72 matches
| Metric | Koyama | Hazawa |
|---|---|---|
| Matches won | 40% | 47% |
| Sets won | 42% | 47% |
| Games won | 46% | 50% |
Record by tier
Head-to-head record by tournament tier
| Stage | Koyama | Hazawa |
|---|---|---|
| ITF M25 | 1 | 1 |
By surface
Head-to-head record per surface
| Surface | Koyama | Hazawa |
|---|---|---|
| Hard | 1 | 1 |
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