Dayeon Back vs On Yu Choi Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
D. Back vs O. Yu Choi

Dayeon Back

KOR

1

Win

Played

0

Win

Age

Height

308

C. Rank

766

293

Best Rank

725

Total Titles

YTD Titles

$4.2K

Career Money

Plays

On Yu Choi

KOR

1

Win

Played

0

Win

Age

Height

308

C. Rank

766

293

Best Rank

725

Total Titles

YTD Titles

$4.2K

Career Money

Plays

Head-to-head: Back 1 - 0 Choi

They have played 2 sets in total, with Dayeon Back winning 2 and On Yu Choi winning 0. The last match between Dayeon Back and On Yu Choi was at the W15 Yeongwol, 06-09-2023, Round: R1, Surface: Hard, with Dayeon Back getting the victory 6-0 6-1.

Players	Head To Head Match Wins
Back	1
Choi	0

Last 1 H2H Matches:

(R1) W15 Yeongwol(09-06-23)

Stats

Dayeon Back

On Yu Choi

D. Back vs O. Y. Choi H2H Profile

D. Back	Stats	O. Y. Choi
$4,220	Career Prize Money	$0
68.51% (198-91)	Career Total W/L	55.56% (70-56)
1	Hard	0
9	Titles	0
1	Total H2H Matches	0
50.00% (3-3)	YTD Win/Loss	0% (0-0)

D. Back vs O. Y. Choi Match Preview:

Second serve performance recent form: In recent form (last 6 months), Dayeon Back has won 38.18% of points on their second serve, while On Yu Choi has won 37.91%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Dayeon Back, in recent form, has won 54.36% of their opponent's second serve points, while On Yu Choi has won 53.45%. The same stats for first serve returns are 35.06% and 38.85% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Dayeon Back has saved 44.67% of breakpoints in recent form, whereas On Yu Choi has saved 42.64% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Dayeon Back has won 64.86% of matches played (W/L 48/26), with On Yu Choi winning 54.00% (W/L 27/23) that gives us an overall head-to head prediction overview.
Best surface: Dayeon Back has their best career surface win % on Hard, winning 69% (W/L 178/79), and worse career win % on I.hard, winning 50% (W/L 3/3). On Yu Choi has their best career surface win % on Clay, winning 69% (W/L 4/3), and worse career win % on I.hard, winning 40% (W/L 2/3).
Player level: In the last year, Dayeon Back has played most of their matches on the Challengers/ITF tournaments > $10K, winning 63.16% of matches (W/L 36/21), where as On Yu Choi has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 55.17% of matches (W/L 16/13). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Direct H2H matches: They have played 1 times before with Dayeon Back winning 1 times and On Yu Choi being victorious 0 times. They have played 2 sets in total, with Dayeon Back winning 2 and On Yu Choi winning 0.
The last match between Dayeon Back and On Yu Choi was at the W15 Yeongwol, 06-09-2023, Round: R1, Surface: Hard, with Dayeon Back getting the victory 6-0 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:58:0.
Opponent quality stats: Over the last 12 months, Dayeon Back has played against opponents with an average rank of 443.18 while On Yu Choi has played against players with an average rank of 292.88.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Dayeon Back has won 57% of deciding sets over the last 12 months, while On Yu Choi has won 45% in all matches played on tour.
Break point conversion: In recent form, Dayeon Back has converted 38.11% of breakpoint opportunities, and On Yu Choi has converted 43.32% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Dayeon Back vs On Yu Choi Editorial Preview By TennisTipster88.

D. Back vs O. Y. Choi H2H Stats Used In Our Predictions

D. Back	Stats	O. Y. Choi
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	1
4	Aces (Total)	0
0	Total Double Faults	2
0:58:0	Average Match Time	0:58:0
68% (25/37)	1st Serve %	65% (31/48)
84% (21/25)	1st Serve Win %	45% (14/31)
67% (8/12)	2nd Serve Win %	24% (4/17)
50% (5/10)	Break Pts Won %	0% (0/1)
63% (30/48)	Return Points Win %	22% (8/37)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	1st Set Won, Won Match	0% (0/0)
0% (0/1)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

D. Back Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Brisbane - 10-11-2025
R1 Gabriella Da Silva FickG. Da	L	6-2 2-6 6-4	Stats
W35 Hamamatsu - 03-11-2025
R1 Kisa YoshiokaK. Yoshioka	L	3-6 6-4 7-5	Stats
W35 Makinohara - 27-10-2025
F Sara SaitoS. Saito	L	6-1 6-2	Stats
SF Ayano ShimizuA. Shimizu	W	7-6(2) 1-6 7-6(3)	Stats
QF Eunhye LeeE. Lee	W	6-3 6-4	Stats

View All

O. Y. Choi Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W15 Sharm ElSheikh - 10-11-2025
R2 Anastasia LizunovaA. Lizunova	L	6-3 7-6(2)	Stats
R1 Yuzuha NegishiY. Negishi	W	6-2 6-4	Stats
W15 Sharm ElSheikh - 03-11-2025
R2 Lauryn John-BaptisteL. John-Baptiste	L	7-5 6-0	Stats
R1 Ksenia MeshcheryakovaK. Meshcheryakova	W	6-2 6-0	Stats
W35 Darwin - 06-10-2025
R2 Su Jeong JangS. Jeong	L	2-6 6-2 6-4	Stats

View All

D. Back vs O. Y. Choi Stats Breakdown Vs All H2H Opponents

D. Back	Stats	O. Y. Choi
68.51% (198/91)	YTD Win/Loss	55.56% (70/56)
65.04% (426/229)	Sets Win/Loss	54.48% (158/132)
57.34% (3289/2447)	Games Win/Loss	51.51% (1419/1336)
69.26% (178/79)	Hard Win/Loss	56.14% (64/50)
61.54% (8/5)	Clay Win/Loss	57.14% (4/3)
63.16% (12/7)	Indoor Hard W/L	40.00% (2/3)
0.05	Aces Per Game	0.03
148	Aces Total	44
0.15	Double Faults Per Game	0.41
422	Total Double Faults	558
1:31:11	Average Match Time	1:19:47
460.6	Average Opponent Rank	300.47
68% (11180/16379)	1st Serve %	68% (4349/6350)
60% (6723/11180)	1st Serve Win %	56% (2442/4349)
46% (2389/5199)	2nd Serve Win %	39% (775/2001)
50% (1198/2375)	Break Points Won % (Total)	49% (433/879)
50% (8158/16319)	Return Points Win %	49% (3099/6382)
62.50% (5/3)	Cups W/L	0% (0/0)
42.86% (3/4)	Main Tour W/L	0% (0/0)
63.28% (81/47)	Challenger W/L	55.56% (30/24)
74.66% (109/37)	Futures W/L	55.56% (40/32)
68% (193/283)	Best of 3 Sets Win %	54% (67/123)
0% (0/0)	Best of 5 Sets Win %	100% (1/1)
55% (30/55)	Tiebreaks Win % (Total)	62% (16/26)
57% (47/82)	Deciding Set Win %	46% (18/39)
88% (187/164)	1st Set Won, Won Match	84% (69/58)
12% (187/23)	1st Set Won, Lost Match	16% (69/11)
32% (102/33)	1st Set Lost, Won Match	19% (57/11)