Hiromasa Koyama vs Lachlan VickeryPrediction, Head-to-Head Results, and Stats
Hiromasa Koyama and Lachlan Vickery have met 1 time since 2026; Hiromasa Koyama leads 1–0. Across all meetings Koyama has taken 2 sets to Vickery'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 | Vickery | ||
|---|---|---|---|---|
| Indicator | Hiromasa Koyama | Lachlan Vickery | ||
| Wins in straight sets | 73% | 24/33 | 76% | 13/17 |
| Wins a set when losing | 20% | 4/20 | 50% | 10/20 |
| Goes to a deciding set | 25% | 13/53 | 38% | 14/37 |
| Covers −1.5 sets as favorite | 63% | 10/16 | 50% | 2/4 |
| Covers +1.5 sets as underdog | 48% | 12/25 | 40% | 4/10 |
| Tiebreak sets won | 56% | 9/16 | 38% | 5/13 |
| Wins after taking set 1 | 90% | 28/31 | 71% | 15/21 |
| Wins 2-0 after taking set 1 | 77% | 24/31 | 62% | 13/21 |
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, Vickery 0).
Style Matchup
Playing styles and historical archetype record
Koyama
🧱 The Wall
Vickery
🛡️ The Spoiler
Matchup analysis
The 🧱 The Wall archetype wins about 53% vs 🛡️ The Spoiler across 37 matches in our dataset: a stylistic lean toward Hiromasa Koyama.
The Wall players often use elite returner and low unforced errors to pressure the the spoiler's strong court coverage.
Previous meetings
1 career meeting, newest first
Sep 2, 2026
M15 Wuning
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Koyama | Vickery | ||
|---|---|---|---|---|
| Outcome | Hiromasa Koyama | Lachlan Vickery | ||
| 1 or more | 42% | 5/12 | 90% | 9/10 |
| 3 or more | 17% | 2/12 | 50% | 5/10 |
| 5 or more | 0% | 0/12 | 30% | 3/10 |
| 10 or more | 0% | 0/12 | 0% | 0/10 |
| 15 or more | 0% | 0/12 | 0% | 0/10 |
| 20 or more | 0% | 0/12 | 0% | 0/10 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Koyama | Vickery |
|---|---|---|
| W-L | 10–3 | 3–5 |
| Avg odds | 2.14 | 3.89 |
| ROI % | +30.8% | -48.1% |
| Units P/L | +4.00u | -3.85u |
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 (50% vs Vickery's 33%).
| Opponent | Koyama | Vickery |
|---|---|---|
| Colin Sinclair | W 76 76 | L 64 46 26 |
| Jake Delaney | L 36 16 | L 67 36 |
| Qian Sun | L 46 46 | L 76 36 16 |
| Zichen Shao | W 64 64 | W 62 63 |
| Jesse Delaney | L 64 57 810 | L 46 36 |
| Niklas Grunewald | W 62 63 | W 62 63 |
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
Colin Sinclair
M25 Darwin · 1st Round
Oct 7
Jake Delaney
M25 Darwin · 2nd Round
Oct 1
Jack Bruce-Smith
M25 Darwin · 1st Round
Sep 30
Harry Roberts
M25 Darwin · 3rd Round Qualifying
Sep 29
Eric Padgham
M25 Darwin · 2nd Round Qualifying
Sep 28
Qian Sun
M25 Guiyang · 1st Round
Sep 16
Daniil Savelev
M25 Guiyang · 3rd Round Qualifying
Sep 15
Alejandro Dure
M25 Guiyang · 2nd Round Qualifying
Sep 14
Win rate
Matches, sets and games won · Last 12 months · 37–53 matches
| Metric | Koyama | Vickery |
|---|---|---|
| Matches won | 62% | 46% |
| Sets won | 59% | 50% |
| Games won | 53% | 50% |
Record by tier
Head-to-head record by tournament tier
| Stage | Koyama | Vickery |
|---|---|---|
| ITF M15 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Koyama | Vickery |
|---|---|---|
| Hard | 1 | 0 |
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