Dayeon Back vs Xinxin YaoPrediction, Head-to-Head Results, and Stats
Dayeon Back and Xinxin Yao have met 1 time since 2026; Xinxin Yao leads 1–0. Across all meetings Back has taken 0 sets to Yao's 2. Their most recent meeting: Xinxin Yao won at W75 Hechingen (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Back | Yao | ||
|---|---|---|---|---|
| Indicator | Dayeon Back | Xinxin Yao | ||
| Wins in straight sets | 84% | 41/49 | 67% | 30/45 |
| Wins a set when losing | 17% | 4/23 | 42% | 13/31 |
| Goes to a deciding set | 17% | 12/72 | 37% | 28/76 |
| Covers −1.5 sets as favorite | 63% | 32/51 | 48% | 20/42 |
| Covers +1.5 sets as underdog | 18% | 2/11 | 59% | 17/29 |
| Tiebreak sets won | 45% | 5/11 | 36% | 5/14 |
| Wins after taking set 1 | 96% | 45/47 | 84% | 37/44 |
| Wins 2-0 after taking set 1 | 87% | 41/47 | 68% | 30/44 |
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 (Back 0, Yao 1).
Style Matchup
Playing styles and historical archetype record
Back
👑 The Complete Package
Yao
🪃 Counterpuncher
Matchup analysis
The 👑 The Complete Package archetype wins about 54% vs 🪃 Counterpuncher across 7,583 matches in our dataset: a stylistic lean toward Dayeon Back.
The Complete Package players often use elite serve & return and high bp conversion to pressure the counterpuncher's elite bp conversion.
Previous meetings
1 career meeting, newest first
Jul 29, 2026
W75 Hechingen
C Clay · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Back | Yao | ||
|---|---|---|---|---|
| Outcome | Dayeon Back | Xinxin Yao | ||
| 1 or more | 33% | 4/12 | 53% | 8/15 |
| 3 or more | 0% | 0/12 | 27% | 4/15 |
| 5 or more | 0% | 0/12 | 7% | 1/15 |
| 10 or more | 0% | 0/12 | 0% | 0/15 |
| 15 or more | 0% | 0/12 | 0% | 0/15 |
| 20 or more | 0% | 0/12 | 0% | 0/15 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Back | Yao |
|---|---|---|
| W-L | 4–7 | 5–10 |
| Avg odds | 1.98 | 2.54 |
| ROI % | -27.3% | -38.0% |
| Units P/L | -3.01u | -5.70u |
Travel
Last 30 days
| Metric | Back | Yao |
|---|---|---|
| Countries | 1 | 2 |
| Events | 1 | 3 |
| Matches | 2 | 5 |
| Distance | 0 mi · 0 km | — |
| Route | POR | POR → ROU |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. 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
Back has a higher win rate against shared opponents (70% vs Yao's 60%).
| Opponent | Back | Yao |
|---|---|---|
| Maya Joint | L 26 16 | L 62 67 36 |
| Viktoria Morvayova | L 36 36 | L 46 36 |
| Sara Saito | L 16 26 | W 64 61 |
| Haruka Kaji | W 61 75 | W 64 63 |
| Reina Goto | W 63 62 | W 36 75 60 |
| Khongorzul Aldarkhishig | W 60 60 | W 64 63 |
| Yuki Naito | W 63 75 | L 46 26 |
| Yuhan Wang | W 75 61 | W 62 61 |
| Eunhye Lee | W 63 64 | L 16 46 |
| Georgina Garcia Perez | W 62 61 | W 64 64 |
Recent Form
Last five matches per player
Maya Joint
Korea Open - Seoul · 2nd Round
Sep 23
Yue Yuan
Korea Open - Seoul · 1st Round
Sep 21
Viktoria Morvayova
W50 Guiyang · 1st Round
Sep 9
Mei Yamaguchi
W75 Tianjin · 1st Round
Sep 1
Laima Vladson
W50 Hamburg · 2nd Round
Aug 13
Arina Gabriela Vasilescu
W50 Hamburg · 1st Round
Aug 12
Julie Pastikova
W75 Leipzig · 1st Round
Aug 5
Xinxin Yao
W75 Hechingen · 1st Round
Jul 29
Aliaksandra Sasnovich
Suzhou WTA 125 - Suzhou · 1st Round
Oct 5
Maddison Inglis
China Open - Beijing · 1st Round Qualifying
Sep 28
Maya Joint
Korea Open - Seoul · 1st Round
Sep 21
Miho Kuramochi
Korea Open - Seoul · 3rd Round Qualifying
Sep 20
Priscilla Hon
Korea Open - Seoul · 1st Round Qualifying
Sep 19
Wushuang Zheng
W35 Shenyang · 1st Round
Sep 15
Alexandra Shubladze
W50 Guiyang · Quarterfinals
Sep 11
Ya Yi Yang
W50 Guiyang · 2nd Round
Sep 10
Win rate
Matches, sets and games won · Last 12 months · 72–76 matches
| Metric | Back | Yao |
|---|---|---|
| Matches won | 68% | 59% |
| Sets won | 65% | 57% |
| Games won | 56% | 53% |
Record by tier
Head-to-head record by tournament tier
| Stage | Back | Yao |
|---|---|---|
| ITF W75 | 0 | 1 |
By surface
Head-to-head record per surface
| Surface | Back | Yao |
|---|---|---|
| Clay | 0 | 1 |
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