Head-to-Head

Dayeon Back vs Xinxin YaoPrediction, Head-to-Head Results, and Stats

🇰🇷Dayeon Back

#266 · 24 yrs

0–1

1 meeting · sets 0–2

🇨🇳Xinxin Yao

#277 · 22 yrs · Left-Handed

3Lost 3 straight

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	85%	44/52	65%	20/31
Wins a set when losing	26%	6/23	34%	10/29
Goes to a deciding set	19%	14/75	35%	21/60
Covers −1.5 sets as favorite	66%	35/53	39%	12/31
Covers +1.5 sets as underdog	25%	3/12	56%	15/27
Tiebreak sets won	46%	6/13	27%	3/11
Wins after taking set 1	94%	47/50	87%	26/30
Wins 2-0 after taking set 1	88%	44/50	67%	20/30

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

Elite serve & returnHigh BP conversionAll-surface dominanceClutch performer

Yao

🪃 Counterpuncher

Elite BP conversionStrong return gameDefensive consistencyRally tolerance

Matchup analysis

The 👑 The Complete Package archetype wins about 56% vs 🪃 Counterpuncher across 6,005 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

Yao

Prop Research

Hit rates on common betting markets · Last 90 days

Outcome	Back	Yao
Outcome	Dayeon Back		Xinxin Yao
1 or more	39%	7/18	53%	9/17
3 or more	6%	1/18	6%	1/17
5 or more	0%	0/18	0%	0/17
10 or more	0%	0/18	0%	0/17
15 or more	0%	0/18	0%	0/17
20 or more	0%	0/18	0%	0/17

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	12–5	10–7
Avg odds	1.41	2.07
ROI %	-13.2%	-1.9%
Units P/L	-2.24u	-0.32u

Travel

Last 30 days

Metric	Back	Yao
Countries	2	2
Events	2	2
Matches	3	2
Distance	—	—
Route	USA → POR	USA → POR

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

Back has a higher win rate against shared opponents (78% vs Yao's 67%).

Opponent	Back	Yao
Haruka Kaji	W 61 75	W 64 63
Reina Goto	W 63 62	W 36 75 60
Khongorzul Aldarkhishig	W 60 60	W 64 62
Yuki Naito	W 63 75	L 46 26
Sara Saito	L 16 26	W 62 67 64
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
Tatiana Prozorova	L 36 46	L 36 26

Recent Form

Last five matches per player

Back

LWLLLWWW

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

Lea Nilsson

W50 Horb · Final

6³7

Jul 26

Loes Ebeling Koning

W50 Horb · Quarterfinals

Jul 24

Madelief Hageman

W50 Horb · 2nd Round

Jul 23

Oana Georgeta Simion

W50 Horb · 1st Round

Jul 22

Yao

LLLWLWLW

Rasheeda Mcadoo

W50 Hamburg · 1st Round

Aug 12

Ida Wobker

W75 Leipzig · 1st Round

Aug 5

Nastasja Schunk

W75 Hechingen · 2nd Round

Jul 30

Dayeon Back

W75 Hechingen · 1st Round

Jul 29

Lola Giza

W50 Horb · 2nd Round

Jul 23

Sophie Triquart

W50 Horb · 1st Round

Jul 21

Francesca Curmi

W50 Darmstadt · Quarterfinals

6⁴7

Jul 17

Diana Martynov

W50 Darmstadt · 2nd Round

Jul 16

Win rate

Matches, sets and games won · Last 12 months · 60–75 matches

Metric	Back	Yao
Matches won	69%	52%
Sets won	67%	51%
Games won	57%	50%

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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Dayeon Back vs Xinxin Yao FAQ

Xinxin Yao leads the head-to-head 1–0 over 1 meetings.