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

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
D. Back vs H. Kaji

Dayeon Back

KOR

0

Win

Played

0

Win

Age

Height

321

C. Rank

264

293

Best Rank

213

Total Titles

YTD Titles

$4.2K

Career Money

$48.1K

Plays

Haruka Kaji

JPN

0

Win

Played

0

Win

Age

Height

321

C. Rank

264

293

Best Rank

213

Total Titles

YTD Titles

$4.2K

Career Money

$48.1K

Plays

Head-to-head: Back 0 - 0 Kaji

Players	Head To Head Match Wins
Back	0
Kaji	0

Last 0 H2H Matches:

no past h2h happened.

D. Back vs H. Kaji H2H Profile

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

D. Back vs H. Kaji Match Preview:

Second serve performance recent form: In recent form (last 6 months), Dayeon Back has won 37.17% of points on their second serve, while Haruka Kaji has won 39.36%. 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 54.06% of their opponent's second serve points, while Haruka Kaji has won 52.86%. The same stats for first serve returns are 35.40% and 36.89% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Dayeon Back has saved 46.10% of breakpoints in recent form, whereas Haruka Kaji has saved 46.45% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Dayeon Back has won 66.20% of matches played (W/L 47/24), with Haruka Kaji winning 54.41% (W/L 37/31) that gives us an overall head-to head prediction overview.
Best surface: Dayeon Back has their best career surface win % on Hard, winning 70% (W/L 176/77), and worse career win % on I.hard, winning 50% (W/L 3/3). Haruka Kaji has their best career surface win % on I.hard, winning 70% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17).
Player level: In the last year, Dayeon Back has played most of their matches on the Challengers/ITF tournaments > $10K, winning 64.81% of matches (W/L 35/19), where as Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 57.81% of matches (W/L 37/27). 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, Dayeon Back has played against opponents with an average rank of 468.97 while Haruka Kaji has played against players with an average rank of 370.57.
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 63% of deciding sets over the last 12 months, while Haruka Kaji has won 50% in all matches played on tour.
Break point conversion: In recent form, Dayeon Back has converted 35.89% of breakpoint opportunities, and Haruka Kaji has converted 40.99% 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 Haruka Kaji Editorial Preview By TennisTipster88.

Recent Performance Stats

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 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 vs H. Kaji Stats Breakdown Vs All H2H Opponents

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