Onyu Choi vs Yingqun SunPrediction, Head-to-Head Results, and Stats
Onyu Choi and Yingqun Sun have met 1 time since 2026; Yingqun Sun leads 1–0. Across all meetings Choi has taken 0 sets to Sun's 2. Their most recent meeting: Yingqun Sun won at W15 Luan (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Choi | Sun | ||
|---|---|---|---|---|
| Indicator | Onyu Choi | Yingqun Sun | ||
| Wins in straight sets | 86% | 6/7 | 53% | 8/15 |
| Wins a set when losing | 28% | 5/18 | 26% | 5/19 |
| Goes to a deciding set | 24% | 6/25 | 35% | 12/34 |
| Covers −1.5 sets as favorite | 40% | 4/10 | 38% | 5/13 |
| Covers +1.5 sets as underdog | 45% | 5/11 | 33% | 5/15 |
| Tiebreak sets won | 67% | 2/3 | 20% | 1/5 |
| Wins after taking set 1 | 67% | 6/9 | 92% | 12/13 |
| Wins 2-0 after taking set 1 | 67% | 6/9 | 62% | 8/13 |
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 (Choi 0, Sun 1).
Style Matchup
Playing styles and historical archetype record
Choi
🧱 The Wall
Sun
🪃 Counterpuncher
Matchup analysis
The 🪃 Counterpuncher archetype wins about 60% vs 🧱 The Wall across 2,733 matches in our dataset: a stylistic lean toward Yingqun Sun.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the wall's elite returner.
Previous meetings
1 career meeting, newest first
Jul 15, 2026
W15 Luan
H Hard · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Choi | Sun | ||
|---|---|---|---|---|
| Outcome | Onyu Choi | Yingqun Sun | ||
| 1 or more | 60% | 3/5 | 43% | 3/7 |
| 3 or more | 0% | 0/5 | 29% | 2/7 |
| 5 or more | 0% | 0/5 | 0% | 0/7 |
| 10 or more | 0% | 0/5 | 0% | 0/7 |
| 15 or more | 0% | 0/5 | 0% | 0/7 |
| 20 or more | 0% | 0/5 | 0% | 0/7 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Choi | Sun |
|---|---|---|
| W-L | 1–3 | 3–3 |
| Avg odds | 3.40 | 1.96 |
| ROI % | -67.8% | -18.3% |
| Units P/L | -2.71u | -1.10u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Choi | Sun |
|---|---|---|
| Countries | — | 2 |
| Events | — | 3 |
| Matches | — | 4 |
| Distance | — | — |
| Route | — | ITA → USA |
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
Sun has a higher win rate against shared opponents (50% vs Choi's 0%).
| Opponent | Choi | Sun |
|---|---|---|
| Han Shi | L 62 46 36 | L 36 16 |
| Unknown Player | L 26 36 | W 62 75 |
| Ho Ching Wu | L 26 06 | W 46 61 60 |
| Su Jeong Jang | L 62 26 46 | L 63 06 46 |
Recent Form
Last five matches per player
Yingqun Sun
W15 Luan · 1st Round
Jul 15
Alina Trynkina
W15 Luan · 1st Round
Jul 8
Jiayi Wang
W15 Maanshan · 1st Round
Jul 1
Unknown Player
W15 Maanshan · 2nd Round
Jun 25
Kuai Jiananxi
W15 Maanshan · 1st Round
Jun 24
Sera Nishimoto
W35 Changwon · 1st Round
May 21
Yuki Naito
W35 Changwon · 1st Round
May 6
Kayo Nishimura
W35 Goyang · 2nd Round
Apr 30
Han Shi
W15 Tianjin · 2nd Round
Aug 27
Yuno Kitahara
W15 Tianjin · 1st Round
Aug 26
Ya Yi Yang
W15 Tianjin · 1st Round
Aug 19
Chia Yi Tsao
W15 Tianjin · 1st Round
Aug 12
Anastasiia Gureva
W15 Luan · 2nd Round
Jul 16
On Yu Choi
W15 Luan · 1st Round
Jul 15
Onyu Choi
W15 Luan · 1st Round
Jul 15
Maria Kalyakina
W15 Luan · Quarterfinals
Jul 10
Win rate
Matches, sets and games won · Last 12 months · 25–34 matches
| Metric | Choi | Sun |
|---|---|---|
| Matches won | 28% | 44% |
| Sets won | 34% | 44% |
| Games won | 43% | 48% |
Record by tier
Head-to-head record by tournament tier
| Stage | Choi | Sun |
|---|---|---|
| ITF W15 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Choi | Sun |
|---|---|---|
| Hard | 0 | 1 |
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