Su Jeong Jang vs Haruka Kaji Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
S. Jeong Jang vs H. Kaji

Su Jeong Jang

KOR

1

Win

Played

1

Win

Age

Height

621

C. Rank

277

114

Best Rank

213

Total Titles

YTD Titles

$356.0K

Career Money

$50.3K

Right-Handed

Plays

Haruka Kaji

JPN

1

Win

Played

1

Win

Age

Height

621

C. Rank

277

114

Best Rank

213

Total Titles

YTD Titles

$356.0K

Career Money

$50.3K

Right-Handed

Plays

Head-to-head: Jang 1 - 1 Kaji

They have played 4 sets in total, with Su Jeong Jang winning 2 and Haruka Kaji winning 2. The last match between Haruka Kaji and Su Jeong Jang was at the W100 Takasaki, 21-11-2024, Round: R1, Surface: Hard, with Haruka Kaji getting the victory 6-3 6-3.

Players	Head To Head Match Wins
Jang	1
Kaji	1

Last 2 H2H Matches:

(R1) W100 Takasaki(11-21-24)

Stats

Haruka Kaji

Su Jeong Jang

(QF) W25 Kofu(03-31-23)

Stats

Su Jeong Jang

Haruka Kaji

S. J. Jang vs H. Kaji H2H Profile

S. J. Jang	Stats	H. Kaji
$355,985	Career Prize Money	$50,325
59.02% (445-309)	Career Total W/L	55.83% (321-254)
1	Hard	1
13	Titles	7
1	Total H2H Matches	1
0% (0-0)	YTD Win/Loss	0% (0-0)

S. J. Jang vs H. Kaji Match Preview:

Second serve performance recent form: In recent form (last 6 months), Su Jeong Jang has won 40.14% of points on their second serve, while Haruka Kaji has won 37.76%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Su Jeong Jang, in recent form, has won 51.31% of their opponent's second serve points, while Haruka Kaji has won 53.01%. The same stats for first serve returns are 33.94% and 35.88% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Su Jeong Jang has saved 46.06% of breakpoints in recent form, whereas Haruka Kaji has saved 44.44% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Su Jeong Jang has won 43.75% of matches played (W/L 14/18), with Haruka Kaji winning 51.52% (W/L 34/32) that gives us an overall head-to head prediction overview.
Best surface: Su Jeong Jang has their best career surface win % on Clay, winning 67% (W/L 78/39), and worse career win % on Grass, winning 56% (W/L 18/14). Haruka Kaji has their best career surface win % on I.hard, winning 67% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17).
Player level: In the last year, Su Jeong Jang has played most of their matches on the Challengers/ITF tournaments > $10K, winning 45.16% of matches (W/L 14/17), where as Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 54.10% of matches (W/L 33/28). 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 Su Jeong Jang winning 1 times and Haruka Kaji being victorious 1 times. They have played 4 sets in total, with Su Jeong Jang winning 2 and Haruka Kaji winning 2.
The last match between Su Jeong Jang and Haruka Kaji was at the W100 Takasaki, 21-11-2024, Round: R1, Surface: Hard, with Haruka Kaji getting the victory 6-3 6-3.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:24:0.
Opponent quality stats: Over the last 12 months, Su Jeong Jang has played against opponents with an average rank of 345.56 while Haruka Kaji has played against players with an average rank of 367.68.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Su Jeong Jang has won 44% of deciding sets over the last 12 months, while Haruka Kaji has won 45% in all matches played on tour.
Break point conversion: In recent form, Su Jeong Jang has converted 39.52% of breakpoint opportunities, and Haruka Kaji has converted 42.57% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Su Jeong Jang vs Haruka Kaji Editorial Preview By TennisTipster88.

S. J. Jang vs H. Kaji H2H Stats Used In Our Predictions

S. J. Jang	Stats	H. Kaji
1	H2H Matches Won	1
2	Sets Won	2
18	Games Won	17
1	Aces (Total)	1
9	Total Double Faults	1
1:24:0	Average Match Time	1:24:0
68% (62/91)	1st Serve %	70% (74/105)
63% (39/62)	1st Serve Win %	55% (41/74)
34% (10/29)	2nd Serve Win %	48% (15/31)
53% (8/15)	Break Pts Won %	47% (7/15)
47% (49/105)	Return Points Win %	46% (42/91)
50% (1/2)	Best‑of‑3 Win %	50% (1/2)
100% (1/1)	1st Set Won, Won Match	100% (1/1)
0% (0/1)	1st Set Won, Lost Match	0% (0/1)
0% (0/1)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

S. J. Jang Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W75 Sydney - 17-11-2025
Q3 Rianna AlameR. Alame	W	6-4 6-2	Stats
Q1 Gurmanat Kaur SandhuG. Kaur	W	7-6(2) 6-3	Stats
W50 Brisbane - 10-11-2025
R1 Tahlia KokkinisT. Kokkinis	L	6-3 7-6(3)	Stats
Q1 Unknown PlayerU. Player	W	6-0 6-1	Stats
Q3 Arina VaraksinaA. Varaksina	W	7-6(5) 6-4	Stats

View All

H. Kaji Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Funchal - 10-11-2025
R2 Margaux RouvroyM. Rouvroy	L	6-3 7-6(2)	Stats
R1 Madelief HagemanM. Hageman	W	6-2 6-1	Stats
W35 Faro - 03-11-2025
R2 Melisa ErcanM. Ercan	L	6-2 6-4	Stats
R1 Lea NilssonL. Nilsson	W	7-6(1) 6-1	Stats
Hong Kong Tennis Open - Hong Kong - 27-10-2025
Q3 Kristiana SidorovaK. Sidorova	L	6-1 6-2	Stats

View All

S. J. Jang vs H. Kaji Stats Breakdown Vs All H2H Opponents

S. J. Jang	Stats	H. Kaji
59.02% (445/309)	YTD Win/Loss	55.83% (321/254)
57.13% (993/745)	Sets Win/Loss	53.30% (695/609)
53.47% (8462/7364)	Games Win/Loss	50.93% (6006/5786)
57.64% (313/230)	Hard Win/Loss	56.06% (236/185)
66.67% (78/39)	Clay Win/Loss	46.88% (15/17)
58.06% (36/26)	Indoor Hard W/L	58.33% (56/40)
56.25% (18/14)	Grass Win/Loss	53.85% (14/12)
0.09	Aces Per Game	0.08
658	Aces Total	445
0.19	Double Faults Per Game	0.2
1497	Total Double Faults	1169
1:13:57	Average Match Time	1:22:7
555.29	Average Opponent Rank	529.97
69% (22986/33271)	1st Serve %	65% (19650/30345)
61% (14017/22986)	1st Serve Win %	59% (11510/19650)
45% (4598/10285)	2nd Serve Win %	46% (4904/10696)
49% (2167/4465)	Break Points Won % (Total)	49% (1900/3872)
47% (16075/34301)	Return Points Win %	46% (14113/30373)
41.67% (15/21)	Slam W/L	33.33% (1/2)
50.00% (2/2)	Masters W/L	0% (0/0)
64.00% (16/9)	Cups W/L	0% (0/0)
36.54% (19/33)	Main Tour W/L	14.29% (2/12)
59.89% (315/211)	Challenger W/L	55.43% (255/205)
70.27% (78/33)	Futures W/L	64.29% (63/35)
59% (440/747)	Best of 3 Sets Win %	55% (310/563)
67% (2/3)	Best of 5 Sets Win %	67% (2/3)
54% (73/134)	Tiebreaks Win % (Total)	56% (60/108)
54% (125/231)	Deciding Set Win %	60% (99/164)
88% (416/366)	1st Set Won, Won Match	87% (299/259)
12% (416/50)	1st Set Won, Lost Match	13% (299/39)
23% (338/78)	1st Set Lost, Won Match	20% (274/56)