Erika Sema vs Haruka Kaji Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
E. Sema vs H. Kaji

Erika Sema

JPN

3

Win

Played

4

Win

Age

Height

555

C. Rank

262

114

Best Rank

213

Total Titles

YTD Titles

$117.4K

Career Money

$48.1K

Plays

Haruka Kaji

JPN

3

Win

Played

4

Win

Age

Height

555

C. Rank

262

114

Best Rank

213

Total Titles

YTD Titles

$117.4K

Career Money

$48.1K

Plays

Head-to-head: Sema 3 - 4 Kaji

They have played 16 sets in total, with Erika Sema winning 7 and Haruka Kaji winning 9. The last match between Haruka Kaji and Erika Sema was at the W75 Burnie, 07-02-2024, Round: R1, Surface: Hard, with Haruka Kaji getting the victory 6-1 6-3.

Players	Head To Head Match Wins
Sema	3
Kaji	4

Last 7 H2H Matches:

(R1) W75 Burnie(02-07-24)

Stats

Haruka Kaji

Erika Sema

(R2) W25 Tokyo(06-01-23)

Stats

Erika Sema

Haruka Kaji

(R2) W25 Osaka(04-13-23)

Stats

Haruka Kaji

Erika Sema

E. Sema vs H. Kaji H2H Profile

E. Sema	Stats	H. Kaji
$117,356	Career Prize Money	$48,125
52.48% (498-451)	Career Total W/L	55.99% (318-250)
2	Hard	4
1	Indoor	0
11	Titles	7
3	Total H2H Matches	4
0% (0-0)	YTD Win/Loss	0% (0-0)

E. Sema vs H. Kaji Match Preview:

Second serve performance recent form: In recent form (last 6 months), Erika Sema has won 36.70% of points on their second serve, while Haruka Kaji has won 39.42%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Erika Sema, in recent form, has won 54.40% of their opponent's second serve points, while Haruka Kaji has won 54.49%. The same stats for first serve returns are 37.63% and 36.25% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Erika Sema has saved 45.97% of breakpoints in recent form, whereas Haruka Kaji has saved 46.50% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Erika Sema has won 55.56% of matches played (W/L 30/24), with Haruka Kaji winning 54.93% (W/L 39/32) that gives us an overall head-to head prediction overview.
Best surface: Erika Sema has their best career surface win % on Hard, winning 55% (W/L 386/315), and worse career win % on Grass, winning 42% (W/L 15/21). Haruka Kaji has their best career surface win % on I.hard, winning 55% (W/L 19/15), and worse career win % on Clay, winning 47% (W/L 15/17).
Player level: In the last year, Erika Sema has played most of their matches on the Challengers/ITF tournaments > $10K, winning 54.76% of matches (W/L 23/19), where as Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 58.21% of matches (W/L 39/28). 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 7 times before with Erika Sema winning 3 times and Haruka Kaji being victorious 4 times. They have played 16 sets in total, with Erika Sema winning 7 and Haruka Kaji winning 9.
The last match between Erika Sema and Haruka Kaji was at the W75 Burnie, 07-02-2024, Round: R1, Surface: Hard, with Haruka Kaji getting the victory 6-1 6-3.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:45:17.
Deciding set H2H prediction: Erika Sema and Haruka Kaji have played a deciding set 2 times, with Erika Sema winning 1 times and Haruka Kaji 1 times. Very useful for predicting the outcome if this match goes the distance.
Opponent quality stats: Over the last 12 months, Erika Sema has played against opponents with an average rank of 425.54 while Haruka Kaji has played against players with an average rank of 369.51.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Erika Sema has won 53% 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, Erika Sema has converted 43.65% of breakpoint opportunities, and Haruka Kaji has converted 42.17% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Erika Sema vs Haruka Kaji Editorial Preview By TennisTipster88.

E. Sema vs H. Kaji H2H Stats Used In Our Predictions

E. Sema	Stats	H. Kaji
3	H2H Matches Won	4
7	Sets Won	9
75	Games Won	79
4	Aces (Total)	2
23	Total Double Faults	18
1:45:17	Average Match Time	1:45:17
71% (318/450)	1st Serve %	66% (318/481)
58% (186/318)	1st Serve Win %	61% (195/318)
42% (55/132)	2nd Serve Win %	45% (74/163)
40% (23/58)	Break Pts Won %	51% (28/55)
44% (212/481)	Return Points Win %	46% (209/450)
43% (3/7)	Best‑of‑3 Win %	57% (4/7)
50% (1/2)	Deciding Set Win %	50% (1/2)
100% (2/2)	1st Set Won, Won Match	80% (4/5)
0% (0/2)	1st Set Won, Lost Match	20% (1/5)
20% (1/5)	1st Set Lost, Won Match	0% (0/2)

Recent Performance Stats

E. Sema Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W35 Wagga Wagga - 15-09-2025
SF Katie SwanK. Swan	L	6-3 6-1	Stats
QF Cara KorhonenC. Korhonen	W	6-1 6-4	Stats
R2 Ayumi MiyamotoA. Miyamoto	W	6-3 6-2	Stats
R1 Giselle Isabella GuillenG. Isabella	W	6-3 6-1	Stats
W35 Wagga Wagga - 08-09-2025
QF Lizette CabreraL. Cabrera	L	4-6 6-2 7-5	Stats

View All

H. Kaji Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
WTA 125 Jinan Open - Jinan - 13-10-2025
R1 Yufei RenY. Ren	W	4-6 6-2 7-5	Stats
W35 Kunshan - 06-10-2025
QF Carol Young Suh LeeC. Young	L	6-3 2-6 7-6(5)	Stats
R2 Katarina ZavatskaK. Zavatska	W	7-6(2) 6-1	Stats
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

View All

E. Sema vs H. Kaji Stats Breakdown Vs All H2H Opponents

E. Sema	Stats	H. Kaji
52.53% (498/450)	YTD Win/Loss	55.99% (318/250)
52.10% (1130/1039)	Sets Win/Loss	53.41% (689/601)
51.58% (10149/9526)	Games Win/Loss	50.97% (5944/5717)
55.06% (386/315)	Hard Win/Loss	56.28% (233/181)
44.68% (42/52)	Clay Win/Loss	46.88% (15/17)
47.01% (55/62)	Indoor Hard W/L	58.33% (56/40)
41.67% (15/21)	Grass Win/Loss	53.85% (14/12)
0.04	Aces Per Game	0.08
374	Aces Total	438
0.17	Double Faults Per Game	0.2
1662	Total Double Faults	1158
1st Match	Average Match Time	1:21:55
585.99	Average Opponent Rank	526.56
73% (25308/34829)	1st Serve %	65% (19356/29919)
57% (14352/25308)	1st Serve Win %	59% (11339/19356)
43% (4100/9521)	2nd Serve Win %	46% (4847/10564)
49% (2282/4634)	Break Points Won % (Total)	49% (1876/3824)
47% (16515/35097)	Return Points Win %	46% (13915/29934)
33.33% (8/16)	Slam W/L	33.33% (1/2)
40.00% (2/3)	Masters W/L	0% (0/0)
39.13% (18/28)	Main Tour W/L	8.33% (1/11)
52.93% (416/370)	Challenger W/L	55.60% (253/202)
62.07% (54/33)	Futures W/L	64.29% (63/35)
52% (481/928)	Best of 3 Sets Win %	55% (307/556)
100% (3/3)	Best of 5 Sets Win %	67% (2/3)
44% (72/163)	Tiebreaks Win % (Total)	55% (58/105)
48% (139/289)	Deciding Set Win %	60% (99/164)
84% (501/422)	1st Set Won, Won Match	86% (296/256)
15% (501/77)	1st Set Won, Lost Match	13% (296/39)
15% (446/68)	1st Set Lost, Won Match	21% (270/56)