Dayeon Back vs Yujin Ahn Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
D. Back vs Y. Ahn

Dayeon Back

KOR

3

Win

Played

0

Win

Age

Height

302

C. Rank

892

293

Best Rank

739

Total Title

YTD Titles

$4.2K

Career Money

Plays

Yujin Ahn

KOR

3

Win

Played

0

Win

Age

Height

302

C. Rank

892

293

Best Rank

739

Total Title

YTD Titles

$4.2K

Career Money

Plays

Head-to-head: Back 3 - 0 Ahn

They have played 7 sets in total, with Dayeon Back winning 6 and Yujin Ahn winning 1. The last match between Dayeon Back and Yujin Ahn was at the W15 Yeongwol, 10-09-2022, Round: SF, Surface: Hard, with Dayeon Back getting the victory 6-1 4-6 6-3.

Players	Head To Head Match Wins
Back	3
Ahn	0

Last H2H Matches:

(SF) W15 Yeongwol(09-10-22)

Stats

Dayeon Back

Yujin Ahn

(SF) W15 Yeongwol(09-07-19)

Stats

Dayeon Back

Yujin Ahn

(Q1) W25 Goyang(05-20-19)

Stats

Dayeon Back

Yujin Ahn

D. Back vs Y. Ahn H2H Profile

D. Back	Stats	Y. Ahn
$4,220	Career Prize Money	$0
68.71% (191-87)	Career Total W/L	55.21% (143-116)
3	Hard	0
9	Titles	0
3	Total H2H Matches	0
50.00% (3-3)	YTD Win/Loss	0% (0-0)

D. Back vs Y. Ahn Match Preview:

Second serve performance recent form: In recent form (last 6 months), Dayeon Back has won 37.07% of points on their second serve, while Yujin Ahn has won 39.73%. 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 54.18% of their opponent's second serve points, while Yujin Ahn has won 50.74%. The same stats for first serve returns are 35.54% and 38.20% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Dayeon Back has saved 46.40% of breakpoints in recent form, whereas Yujin Ahn has saved 50.24% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Dayeon Back has won 67.12% of matches played (W/L 49/24), with Yujin Ahn winning 48.39% (W/L 15/16) 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 175/77), and worse career win % on I.hard, winning 50% (W/L 3/3). Yujin Ahn has their best career surface win % on Hard, winning 69% (W/L 139/109), and worse career win % on I.hard, winning 0% (W/L 0/1).
Player level: In the last year, Dayeon Back has played most of their matches on the Challengers/ITF tournaments > $10K, winning 64.15% of matches (W/L 34/19), where as Yujin Ahn has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 45.00% of matches (W/L 9/11). 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 3 times before with Dayeon Back winning 3 times and Yujin Ahn being victorious 0 times. They have played 7 sets in total, with Dayeon Back winning 6 and Yujin Ahn winning 1.
The last match between Dayeon Back and Yujin Ahn was at the W15 Yeongwol, 10-09-2022, Round: SF, Surface: Hard, with Dayeon Back getting the victory 6-1 4-6 6-3.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:57:20.
Opponent quality stats: Over the last 12 months, Dayeon Back has played against opponents with an average rank of 476.59 while Yujin Ahn has played against players with an average rank of 383.71.
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 64% of deciding sets over the last 12 months, while Yujin Ahn has won 64% in all matches played on tour.
Break point conversion: In recent form, Dayeon Back has converted 36.02% of breakpoint opportunities, and Yujin Ahn has converted 40.51% 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 Yujin Ahn Editorial Preview By TennisTipster88.

D. Back vs Y. Ahn H2H Stats Used In Our Predictions

D. Back	Stats	Y. Ahn
3	H2H Matches Won	0
6	Sets Won	1
40	Games Won	18
5	Total Double Faults	7
0:57:20	Average Match Time	0:57:20
77% (88/115)	1st Serve %	69% (85/123)
55% (48/88)	1st Serve Win %	44% (37/85)
56% (15/27)	2nd Serve Win %	32% (12/38)
56% (14/25)	Break Pts Won %	40% (6/15)
60% (74/123)	Return Points Win %	45% (52/115)
100% (3/3)	Best‑of‑3 Win %	0% (0/3)
100% (1/1)	Deciding Set Win %	0% (0/1)
100% (3/3)	1st Set Won, Won Match	0% (0/0)
0% (0/3)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/3)

Recent Performance Stats

D. Back Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W100 Incheon - 22-09-2025
R1 Momoko KoboriM. Kobori	L	6-0 3-6 6-3	Stats
Korea Open - Seoul - 15-09-2025
R1 Beatriz Haddad MaiaB. Haddad	L	6-4 6-3	Stats
W35 Nakhon Pathom - 01-09-2025
R2 Miho KuramochiM. Kuramochi	L	6-7(2) 6-3 7-6(7)	Stats
R1 Patcharin CheapchadejP. Cheapchadej	W	5-7 6-0 6-0	Stats
W35 Nakhon Pathom - 25-08-2025
R2 Fangran TianF. Tian	L	6-0 6-1	Stats

View All

Y. Ahn Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W100 Incheon - 22-09-2025
Q1 Misaki MatsudaM. Matsuda	L	6-4 6-3	Stats
W15 Yeongwol - 08-09-2025
R1 Yujin KimY. Kim	L	6-1 7-6(2)	Stats
W15 Yeongwol - 01-09-2025
R1 Ui Su JeongU. Su	L	6-4 6-3	Stats
W15 Luan - 25-08-2025
R2 Meiling WangM. Wang	L	7-6(4) 7-5	Stats
R1 Ekaterina KuznetsovaE. Kuznetsova	W	6-3 6-0	Stats

View All

D. Back vs Y. Ahn Stats Breakdown Vs All H2H Opponents

D. Back	Stats	Y. Ahn
68.71% (191/87)	YTD Win/Loss	55.21% (143/116)
65.02% (409/220)	Sets Win/Loss	53.56% (316/274)
57.41% (3157/2342)	Games Win/Loss	51.76% (2788/2598)
69.44% (175/77)	Hard Win/Loss	56.05% (139/109)
61.54% (8/5)	Clay Win/Loss	40.00% (4/6)
61.54% (8/5)	Indoor Hard W/L	0.00% (0/1)
0.05	Aces Per Game	0.02
136	Aces Total	57
0.15	Double Faults Per Game	0.18
398	Total Double Faults	472
1:30:20	Average Match Time	1st Match
463.97	Average Opponent Rank	400.03
69% (10705/15619)	1st Serve %	69% (6071/8818)
60% (6413/10705)	1st Serve Win %	56% (3421/6071)
46% (2253/4914)	2nd Serve Win %	42% (1154/2747)
50% (1151/2283)	Break Points Won % (Total)	51% (601/1172)
50% (7815/15568)	Return Points Win %	49% (4345/8941)
62.50% (5/3)	Cups W/L	0% (0/0)
42.86% (3/4)	Main Tour W/L	0.00% (0/4)
63.25% (74/43)	Challenger W/L	56.04% (51/40)
74.66% (109/37)	Futures W/L	56.10% (92/72)
68% (186/272)	Best of 3 Sets Win %	54% (137/253)
0% (0/0)	Best of 5 Sets Win %	100% (1/1)
53% (28/53)	Tiebreaks Win % (Total)	51% (22/43)
59% (46/78)	Deciding Set Win %	53% (40/76)
88% (178/157)	1st Set Won, Won Match	85% (142/120)
12% (178/21)	1st Set Won, Lost Match	15% (142/21)
33% (100/33)	1st Set Lost, Won Match	18% (117/21)