Haruka Kaji vs Honori Koyama Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
H. Kaji vs H. Koyama

Haruka Kaji

JPN

1

Win

Played

0

Win

Age

Height

304

C. Rank

213

Best Rank

Total Titles

YTD Titles

$50.3K

Career Money

Plays

Honori Koyama

JPN

1

Win

Played

0

Win

Age

Height

304

C. Rank

213

Best Rank

Total Titles

YTD Titles

$50.3K

Career Money

Plays

Head-to-head: Kaji 1 - 0 Koyama

They have played 2 sets in total, with Haruka Kaji winning 2 and Honori Koyama winning 0. The last match between Haruka Kaji and Honori Koyama was at the W25 Makinohara, 04-10-2023, Round: R1, Surface: Carpet, with Haruka Kaji getting the victory 6-1 6-1.

Players	Head To Head Match Wins
Kaji	1
Koyama	0

Last 1 H2H Matches:

(R1) W25 Makinohara(10-04-23)

Stats

Haruka Kaji

Honori Koyama

H. Kaji vs H. Koyama H2H Profile

H. Kaji	Stats	H. Koyama
$50,325	Career Prize Money	$0
55.63% (321-256)	Career Total W/L	49.45% (45-46)
1	Indoor	0
7	Titles	0
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

H. Kaji vs H. Koyama Match Preview:

Second serve performance recent form: In recent form (last 6 months), Haruka Kaji has won 38.77% of points on their second serve, while Honori Koyama has won 37.56%. 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 52.08% of their opponent's second serve points, while Honori Koyama has won 53.31%. The same stats for first serve returns are 35.73% and 32.52% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Haruka Kaji has saved 45.78% of breakpoints in recent form, whereas Honori Koyama has saved 47.66% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Haruka Kaji has won 47.54% of matches played (W/L 29/32), with Honori Koyama winning 51.35% (W/L 19/18) 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). Honori Koyama has their best career surface win % on Hard, winning 56% (W/L 43/42), and worse career win % on I.hard, winning 0% (W/L 0/1).
Player level: In the last year, Haruka Kaji has played most of their matches on the Challengers/ITF tournaments > $10K, winning 50.00% of matches (W/L 28/28), where as Honori Koyama has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 51.43% of matches (W/L 18/17). 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 1 times before with Haruka Kaji winning 1 times and Honori Koyama being victorious 0 times. They have played 2 sets in total, with Haruka Kaji winning 2 and Honori Koyama winning 0.
The last match between Haruka Kaji and Honori Koyama was at the W25 Makinohara, 04-10-2023, Round: R1, Surface: Carpet, with Haruka Kaji getting the victory 6-1 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 1:0:0.
Opponent quality stats: Over the last 12 months, Haruka Kaji has played against opponents with an average rank of 355.7 while Honori Koyama has played against players with an average rank of 200.95.
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 45% of deciding sets over the last 12 months, while Honori Koyama has won 60% in all matches played on tour.
Break point conversion: In recent form, Haruka Kaji has converted 45.29% of breakpoint opportunities, and Honori Koyama has converted 38.24% 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 Honori Koyama Editorial Preview By TennisTipster88.

H. Kaji vs H. Koyama H2H Stats Used In Our Predictions

H. Kaji	Stats	H. Koyama
1	H2H Matches Won	0
2	Sets Won	0
12	Games Won	2
4	Aces (Total)	0
1	Total Double Faults	2
1:0:0	Average Match Time	1:0:0
59% (23/39)	1st Serve %	67% (26/39)
78% (18/23)	1st Serve Win %	27% (7/26)
44% (7/16)	2nd Serve Win %	15% (2/13)
88% (7/8)	Break Pts Won %	50% (2/4)
77% (30/39)	Return Points Win %	36% (14/39)
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	1st Set Won, Won Match	0% (0/0)
0% (0/1)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	0% (0/1)

Recent Performance Stats

H. Kaji Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Yokohama - 24-11-2025
R1 Darya AstakhovaD. Astakhova	L	6-1 6-1	Stats
W100 Takasaki - 17-11-2025
R1 Shuai ZhangS. Zhang	L	6-4 6-3	Stats
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

View All

H. Koyama Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W15 Phan Thiet - 17-11-2025
R2 Reina GotoR. Goto	L	6-1 7-5	Stats
R1 Maria MikhailovaM. Mikhailova	W	6-3 6-4	Stats
W15 Phan Thiet - 10-11-2025
R2 Anri NagataA. Nagata	L	7-6(5) 6-0	Stats
R1 Kallista LiuK. Liu	W	6-3 6-3	Stats
W15 Yeongwol - 08-09-2025
Q1 Han Gyeol JeongH. Gyeol	L	2-6 6-2 10-6	Stats

View All

H. Kaji vs H. Koyama Stats Breakdown Vs All H2H Opponents

H. Kaji	Stats	H. Koyama
55.63% (321/256)	YTD Win/Loss	49.45% (45/46)
53.13% (695/613)	Sets Win/Loss	48.28% (98/105)
50.87% (6015/5810)	Games Win/Loss	49.24% (939/968)
55.79% (236/187)	Hard Win/Loss	50.59% (43/42)
46.88% (15/17)	Clay Win/Loss	0% (0/0)
58.33% (56/40)	Indoor Hard W/L	40.00% (2/3)
53.85% (14/12)	Grass Win/Loss	0.00% (0/1)
0.08	Aces Per Game	0.04
446	Aces Total	36
0.2	Double Faults Per Game	0.17
1173	Total Double Faults	161
1:22:5	Average Match Time	1st Match
531.92	Average Opponent Rank	197.65
65% (19732/30455)	1st Serve %	68% (1758/2600)
59% (11546/19732)	1st Serve Win %	56% (985/1758)
46% (4917/10724)	2nd Serve Win %	39% (326/842)
49% (1903/3878)	Break Points Won % (Total)	45% (137/306)
46% (14142/30463)	Return Points Win %	44% (1140/2615)
33.33% (1/2)	Slam W/L	0% (0/0)
14.29% (2/12)	Main Tour W/L	0.00% (0/1)
55.19% (255/207)	Challenger W/L	40.00% (4/6)
64.29% (63/35)	Futures W/L	51.25% (41/39)
55% (310/565)	Best of 3 Sets Win %	49% (45/91)
67% (2/3)	Best of 5 Sets Win %	0% (0/0)
56% (60/108)	Tiebreaks Win % (Total)	25% (3/12)
60% (99/164)	Deciding Set Win %	62% (13/21)
87% (299/259)	1st Set Won, Won Match	92% (39/36)
13% (299/39)	1st Set Won, Lost Match	8% (39/3)
20% (276/56)	1st Set Lost, Won Match	17% (52/9)