Hayden Jones vs Hiromasa KoyamaPrediction, Head-to-Head Results, and Stats
Hayden Jones and Hiromasa Koyama have met 1 time since 2026; Hayden Jones leads 1–0. Across all meetings Jones has taken 2 sets to Koyama's 0. Their most recent meeting: Hayden Jones won at M15 Tokyo (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Jones | Koyama | ||
|---|---|---|---|---|
| Indicator | Hayden Jones | Hiromasa Koyama | ||
| Wins in straight sets | 83% | 5/6 | 67% | 8/12 |
| Wins a set when losing | 25% | 2/8 | 28% | 5/18 |
| Goes to a deciding set | 21% | 3/14 | 30% | 9/30 |
| Covers −1.5 sets as favorite | 50% | 1/2 | 50% | 2/4 |
| Covers +1.5 sets as underdog | 56% | 5/9 | 50% | 11/22 |
| Tiebreak sets won | 83% | 5/6 | 50% | 6/12 |
| Wins after taking set 1 | 83% | 5/6 | 73% | 11/15 |
| Wins 2-0 after taking set 1 | 83% | 5/6 | 53% | 8/15 |
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 (Jones 1, Koyama 0).
Style Matchup
Playing styles and historical archetype record
Jones
⚙️ Grinder
Koyama
🪃 Counterpuncher
Matchup analysis
⚙️ Grinder vs 🪃 Counterpuncher 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
1 career meeting, newest first
Jun 10, 2026
M15 Tokyo
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Jones | Koyama | ||
|---|---|---|---|---|
| Outcome | Hayden Jones | Hiromasa Koyama | ||
| 1 or more | 75% | 3/4 | 70% | 7/10 |
| 3 or more | 50% | 2/4 | 10% | 1/10 |
| 5 or more | 50% | 2/4 | 0% | 0/10 |
| 10 or more | 0% | 0/4 | 0% | 0/10 |
| 15 or more | 0% | 0/4 | 0% | 0/10 |
| 20 or more | 0% | 0/4 | 0% | 0/10 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Jones | Koyama |
|---|---|---|
| W-L | 2–4 | 5–6 |
| Avg odds | 2.66 | 3.54 |
| ROI % | -43.0% | +13.9% |
| Units P/L | -2.58u | +1.53u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Jones | Koyama |
|---|---|---|
| Countries | — | 1 |
| Events | — | 2 |
| Matches | — | 4 |
| Distance | — | — |
| Route | — | 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
Across 2 shared opponents, both Jones and Koyama posted a 50% win rate.
| Opponent | Jones | Koyama |
|---|---|---|
| Matthew Dellavedova | L 57 36 | L 16 26 |
| Colin Sinclair | W 76 76 | W 76 76 |
Recent Form
Last five matches per player
Matthew Dellavedova
M15 Brisbane · 1st Round
Jul 22
Blake Ellis
M25 Brisbane · 1st Round
Jul 14
Kosuke Ogura
Futures 2026
Jun 15
Lev Seidman
Futures 2026
Jun 14
Jumpei Yamasaki
M15 Tokyo · 2nd Round
Jun 11
Hiromasa Koyama
M15 Tokyo · 1st Round
Jun 10
Hiromasa Koyama
Futures 2026
Jun 10
Kazuki Nishiwaki
Futures 2026
Jun 8
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
Win rate
Matches, sets and games won · Last 12 months · 14–30 matches
| Metric | Jones | Koyama |
|---|---|---|
| Matches won | 43% | 40% |
| Sets won | 45% | 42% |
| Games won | 47% | 46% |
Record by tier
Head-to-head record by tournament tier
| Stage | Jones | Koyama |
|---|---|---|
| ITF M15 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Jones | Koyama |
|---|---|---|
| Hard | 1 | 0 |
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