Haruka Kaji vs Dayeon Back Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
H. Kaji vs D. Back

Haruka Kaji

JPN

0

Win

Played

0

Win

Age

Height

264

C. Rank

321

213

Best Rank

293

Total Titles

YTD Titles

$48.1K

Career Money

$4.2K

Plays

Dayeon Back

KOR

0

Win

Played

0

Win

Age

Height

264

C. Rank

321

213

Best Rank

293

Total Titles

YTD Titles

$48.1K

Career Money

$4.2K

Plays

Head-to-head: Kaji 0 - 0 Back

Players	Head To Head Match Wins
Kaji	0
Back	0

Last 0 H2H Matches:

no past h2h happened.

H. Kaji vs D. Back H2H Profile

H. Kaji	Stats	D. Back
$48,125	Career Prize Money	$4,220
55.93% (316-249)	Career Total W/L	68.82% (192-87)
7	Titles	9
0% (0-0)	YTD Win/Loss	50.00% (3-3)

H. Kaji vs D. Back Match Preview:

Second serve performance recent form: In recent form (last 6 months), Haruka Kaji has won 39.36% of points on their second serve, while Dayeon Back has won 37.17%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Haruka Kaji, in recent form, has won 52.86% of their opponent's second serve points, while Dayeon Back has won 54.06%. The same stats for first serve returns are 36.89% and 35.40% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Haruka Kaji has saved 46.45% of breakpoints in recent form, whereas Dayeon Back has saved 46.10% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Haruka Kaji has won 54.41% of matches played (W/L 37/31), with Dayeon Back winning 66.20% (W/L 47/24) that gives us an overall head-to head prediction overview.
Best surface: Haruka Kaji has their best career surface win % on I.hard, winning 56% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17). Dayeon Back has their best career surface win % on Hard, winning 56% (W/L 176/77), and worse career win % on I.hard, winning 50% (W/L 3/3).
Player level: In the last year, Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 57.81% of matches (W/L 37/27), where as Dayeon Back has played most of their matches on the Challengers/ITF tournaments > $10K, winning 64.81% of matches (W/L 35/19). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
Opponent quality stats: Over the last 12 months, Haruka Kaji has played against opponents with an average rank of 370.57 while Dayeon Back has played against players with an average rank of 468.97.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Haruka Kaji has won 50% of deciding sets over the last 12 months, while Dayeon Back has won 63% in all matches played on tour.
Break point conversion: In recent form, Haruka Kaji has converted 40.99% of breakpoint opportunities, and Dayeon Back has converted 35.89% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Haruka Kaji vs Dayeon Back Editorial Preview By TennisTipster88.

Recent Performance Stats

H. Kaji Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W35 Kunshan - 06-10-2025
R1 Ying ZhangY. Zhang	W	7-6(4) 6-4	Stats
W100 Incheon - 22-09-2025
SF Eunhye LeeE. Lee	L	7-5 6-1	Stats
QF Miho KuramochiM. Kuramochi	W	6-4 6-3	Stats
R2 Amy ZhuA. Zhu	W	6-3 6-4	Stats
R1 Peangtarn PlipuechP. Plipuech	W	6-4 7-6(4)	Stats

View All

D. Back Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W35 Kunshan - 06-10-2025
R1 Maria KalyakinaM. Kalyakina	W	6-2 6-3	Stats
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

View All

H. Kaji vs D. Back Stats Breakdown Vs All H2H Opponents

H. Kaji	Stats	D. Back
55.93% (316/249)	YTD Win/Loss	68.82% (192/87)
53.35% (684/598)	Sets Win/Loss	65.13% (411/220)
50.94% (5899/5682)	Games Win/Loss	57.45% (3169/2347)
56.20% (231/180)	Hard Win/Loss	69.57% (176/77)
46.88% (15/17)	Clay Win/Loss	61.54% (8/5)
58.33% (56/40)	Indoor Hard W/L	61.54% (8/5)
53.85% (14/12)	Grass Win/Loss	0% (0/0)
0.08	Aces Per Game	0.05
436	Aces Total	139
0.2	Double Faults Per Game	0.15
1149	Total Double Faults	402
1:21:31	Average Match Time	1:30:19
528.9	Average Opponent Rank	464.23
65% (19183/29669)	1st Serve %	69% (10744/15684)
59% (11237/19183)	1st Serve Win %	60% (6441/10744)
46% (4809/10487)	2nd Serve Win %	46% (2266/4940)
49% (1857/3785)	Break Points Won % (Total)	50% (1155/2288)
46% (13780/29655)	Return Points Win %	50% (7839/15614)
33.33% (1/2)	Slam W/L	0% (0/0)
0% (0/0)	Cups W/L	62.50% (5/3)
8.33% (1/11)	Main Tour W/L	42.86% (3/4)
55.53% (251/201)	Challenger W/L	63.56% (75/43)
64.29% (63/35)	Futures W/L	74.66% (109/37)
55% (305/553)	Best of 3 Sets Win %	68% (187/273)
67% (2/3)	Best of 5 Sets Win %	0% (0/0)
55% (57/103)	Tiebreaks Win % (Total)	53% (28/53)
60% (98/162)	Deciding Set Win %	59% (46/78)
86% (295/255)	1st Set Won, Won Match	88% (179/158)
13% (295/39)	1st Set Won, Lost Match	12% (179/21)
21% (268/55)	1st Set Lost, Won Match	33% (100/33)