Dayeon Back vs Sonja Zhiyenbayeva Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
D. Back vs S. Zhiyenbayeva

Dayeon Back

KOR

2

Win

Played

0

Win

Age

Height

315

C. Rank

809

293

Best Rank

630

Total Titles

YTD Titles

$4.2K

Career Money

Plays

Sonja Zhiyenbayeva

GER

2

Win

Played

0

Win

Age

Height

315

C. Rank

809

293

Best Rank

630

Total Titles

YTD Titles

$4.2K

Career Money

Plays

Head-to-head: Back 2 - 0 Zhiyenbayeva

They have played 5 sets in total, with Dayeon Back winning 4 and Sonja Zhiyenbayeva winning 1. The last match between Dayeon Back and Sonja Zhiyenbayeva was at the W15 Ust-Kamenogorsk, 01-08-2024, Round: R2, Surface: Hard, with Draw getting the victory 6-0 3-6 7-6(3).

Players	Head To Head Match Wins
Back	2
Zhiyenbayeva	0

Last 2 H2H Matches:

(R2) W15 Ust-Kamenogorsk(08-01-24)

Stats

Dayeon Back

Sonja Zhiyenbayeva

(R2) W35 Astana(07-25-24)

Stats

Dayeon Back

Sonja Zhiyenbayeva

D. Back vs S. Zhiyenbayeva H2H Profile

D. Back	Stats	S. Zhiyenbayeva
$4,220	Career Prize Money	$0
68.51% (198-91)	Career Total W/L	56.52% (39-30)
2	Hard	0
9	Titles	2
2	Total H2H Matches	0
50.00% (3-3)	YTD Win/Loss	0% (0-0)

D. Back vs S. Zhiyenbayeva Match Preview:

Second serve performance recent form: In recent form (last 6 months), Dayeon Back has won 38.26% of points on their second serve, while Sonja Zhiyenbayeva has won 38.54%. 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 53.97% of their opponent's second serve points, while Sonja Zhiyenbayeva has won 51.32%. The same stats for first serve returns are 34.98% and 26.57% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Dayeon Back has saved 43.96% of breakpoints in recent form, whereas Sonja Zhiyenbayeva has saved 41.03% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Dayeon Back has won 65.75% of matches played (W/L 48/25), with Sonja Zhiyenbayeva winning 55.56% (W/L 5/4) 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). Sonja Zhiyenbayeva has their best career surface win % on Hard, winning 69% (W/L 21/12), and worse career win % on Clay, winning 50% (W/L 16/16).
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 Sonja Zhiyenbayeva has played most of their matches on the Challengers/ITF tournaments > $10K, winning 50.00% of matches (W/L 3/3). 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 2 times before with Dayeon Back winning 2 times and Sonja Zhiyenbayeva being victorious 0 times. They have played 5 sets in total, with Dayeon Back winning 4 and Sonja Zhiyenbayeva winning 1.
The last match between Dayeon Back and Sonja Zhiyenbayeva was at the W15 Ust-Kamenogorsk, 01-08-2024, Round: R2, Surface: Hard, with Draw getting the victory 6-0 3-6 7-6(3).
Head to head match duration: In past head to head matches, the average match time between these players has been 2:13:30.
Opponent quality stats: Over the last 12 months, Dayeon Back has played against opponents with an average rank of 444.11 while Sonja Zhiyenbayeva has played against players with an average rank of 432.11.
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 59% of deciding sets over the last 12 months, while Sonja Zhiyenbayeva has won 100% in all matches played on tour.
Break point conversion: In recent form, Dayeon Back has converted 38.54% of breakpoint opportunities, and Sonja Zhiyenbayeva has converted 37.78% 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 Sonja Zhiyenbayeva Editorial Preview By TennisTipster88.

D. Back vs S. Zhiyenbayeva H2H Stats Used In Our Predictions

D. Back	Stats	S. Zhiyenbayeva
2	H2H Matches Won	0
4	Sets Won	1
30	Games Won	23
1	Aces (Total)	1
1	Total Double Faults	8
2:13:30	Average Match Time	2:13:30
68% (111/164)	1st Serve %	59% (96/163)
72% (80/111)	1st Serve Win %	57% (55/96)
38% (20/53)	2nd Serve Win %	46% (31/67)
50% (10/20)	Break Pts Won %	58% (7/12)
47% (77/163)	Return Points Win %	39% (64/164)
100% (2/2)	Best‑of‑3 Win %	0% (0/2)
100% (1/1)	Deciding Set Win %	0% (0/1)
100% (2/2)	1st Set Won, Won Match	0% (0/0)
0% (0/2)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/2)

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

S. Zhiyenbayeva Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Austin - 10-11-2025
R1 Kristina LiutovaK. Liutova	L	7-5 6-0	Stats
W15 Lincoln - 03-11-2025
QF Edda MamedovaE. Mamedova	L	6-2 6-3	Stats
R2 Virginia CrockerV. Crocker	W	6-0 6-3	Stats
R1 Isabel Adrover GallegoI. Adrover	W	6-0 6-4	Stats
W35 Norman - 20-10-2025
R1 Victoria OsuigweV. Osuigwe	L	6-2 6-2	Stats

View All

D. Back vs S. Zhiyenbayeva Stats Breakdown Vs All H2H Opponents

D. Back	Stats	S. Zhiyenbayeva
68.51% (198/91)	YTD Win/Loss	56.52% (39/30)
65.04% (426/229)	Sets Win/Loss	53.95% (82/70)
57.34% (3289/2447)	Games Win/Loss	52.55% (743/671)
69.26% (178/79)	Hard Win/Loss	63.64% (21/12)
61.54% (8/5)	Clay Win/Loss	50.00% (16/16)
63.16% (12/7)	Indoor Hard W/L	50.00% (2/2)
0.05	Aces Per Game	0.14
148	Aces Total	96
0.15	Double Faults Per Game	0.36
422	Total Double Faults	246
1:31:11	Average Match Time	1:22:48
460.45	Average Opponent Rank	464.87
68% (11180/16379)	1st Serve %	57% (2280/3982)
60% (6723/11180)	1st Serve Win %	61% (1398/2280)
46% (2389/5199)	2nd Serve Win %	46% (777/1702)
50% (1198/2375)	Break Points Won % (Total)	51% (266/522)
50% (8158/16319)	Return Points Win %	48% (1862/3878)
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	37.50% (9/15)
74.66% (109/37)	Futures W/L	66.67% (30/15)
68% (193/283)	Best of 3 Sets Win %	57% (39/69)
55% (30/55)	Tiebreaks Win % (Total)	46% (6/13)
57% (47/82)	Deciding Set Win %	71% (10/14)
88% (187/164)	1st Set Won, Won Match	97% (38/37)
12% (187/23)	1st Set Won, Lost Match	3% (38/1)
32% (102/33)	1st Set Lost, Won Match	6% (31/2)