Hiromasa Koyama vs Yue XiaPrediction, Head-to-Head Results, and Stats
Hiromasa Koyama and Yue Xia have met 1 time since 2026; Hiromasa Koyama leads 1–0. Across all meetings Koyama has taken 2 sets to Xia'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 | Xia | ||
|---|---|---|---|---|
| Indicator | Hiromasa Koyama | Yue Xia | ||
| Wins in straight sets | 73% | 24/33 | 70% | 16/23 |
| Wins a set when losing | 20% | 4/20 | 21% | 6/29 |
| Goes to a deciding set | 25% | 13/53 | 25% | 13/52 |
| Covers −1.5 sets as favorite | 63% | 10/16 | 30% | 3/10 |
| Covers +1.5 sets as underdog | 48% | 12/25 | 25% | 3/12 |
| Tiebreak sets won | 56% | 9/16 | 50% | 6/12 |
| Wins after taking set 1 | 90% | 28/31 | 95% | 21/22 |
| Wins 2-0 after taking set 1 | 77% | 24/31 | 73% | 16/22 |
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, Xia 0).
Style Matchup
Playing styles and historical archetype record
Koyama
🧱 The Wall
Xia
🏃 Pusher
Previous meetings
1 career meeting, newest first
Sep 9, 2026
M15 Wuning
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Koyama | Xia | ||
|---|---|---|---|---|
| Outcome | Hiromasa Koyama | Yue Xia | ||
| 1 or more | 42% | 5/12 | 73% | 8/11 |
| 3 or more | 17% | 2/12 | 18% | 2/11 |
| 5 or more | 0% | 0/12 | 9% | 1/11 |
| 10 or more | 0% | 0/12 | 0% | 0/11 |
| 15 or more | 0% | 0/12 | 0% | 0/11 |
| 20 or more | 0% | 0/12 | 0% | 0/11 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Koyama | Xia |
|---|---|---|
| W-L | 10–3 | 1–8 |
| Avg odds | 2.14 | 3.43 |
| ROI % | +30.8% | -56.8% |
| Units P/L | +4.00u | -5.11u |
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
Across 6 shared opponents, both Koyama and Xia posted a 50% win rate.
| Opponent | Koyama | Xia |
|---|---|---|
| Zichen Shao | W 64 64 | W 60 60 |
| Qian Sun | L 46 46 | L 46 67 |
| Hoyoung Roh | W 76 62 | L 16 16 |
| Jesse Delaney | L 64 57 810 | W 57 76 103 |
| Toshiki Karigyo | L 63 57 16 | W 76 67 61 |
| Michael Zhu | W 67 61 103 | L 57 36 |
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
Nick Beamish
M25 Qian Daohu · 1st Round Qualifying
Oct 11
Lin Hao Yu
M25 Luan · 1st Round Qualifying
Oct 4
Nick Beamish
M15 Luan · 3rd Round Qualifying
Sep 29
Lingxi Zhao
M15 Luan · 2nd Round Qualifying
Sep 28
Ren Jie Zhang
M15 Luan · 1st Round Qualifying
Sep 27
Shaoyun Liu
M25 Yinchuan · 1st Round
Sep 23
Shengyu Wang
M25 Yinchuan · 3rd Round Qualifying
Sep 22
Mingliang Yue
M25 Yinchuan · 2nd Round Qualifying
Sep 21
Win rate
Matches, sets and games won · Last 12 months · 52–53 matches
| Metric | Koyama | Xia |
|---|---|---|
| Matches won | 62% | 44% |
| Sets won | 59% | 44% |
| Games won | 53% | 49% |
Record by tier
Head-to-head record by tournament tier
| Stage | Koyama | Xia |
|---|---|---|
| ITF M15 | 1 | 0 |
By surface
Head-to-head record per surface
| Surface | Koyama | Xia |
|---|---|---|
| Hard | 1 | 0 |
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