Issei Okamura vs Kohei Hayashi Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
I. Okamura vs K. Hayashi

Issei Okamura

JPN

1

Win

Played

0

Win

Age

5'7" (170 cm)

Height

870

C. Rank

574

Best Rank

Total Titles

YTD Titles

Career Money

Right-Handed

Plays

Kohei Hayashi

JPN

1

Win

Played

0

Win

Age

5'7" (170 cm)

Height

870

C. Rank

574

Best Rank

Total Titles

YTD Titles

Career Money

Right-Handed

Plays

Head-to-head: Okamura 1 - 0 Hayashi

They have played 3 sets in total, with Issei Okamura winning 2 and Kohei Hayashi winning 1. The last match between Issei Okamura and Kohei Hayashi was at the M15 Osaka, 20-04-2025, Round: Q1, Surface: Hard, with Issei Okamura getting the victory 6-0 3-6 10-8.

Players	Head To Head Match Wins
Okamura	1
Hayashi	0

Last 1 H2H Matches:

(Q1) M15 Osaka(04-20-25)

Stats

Issei Okamura

Kohei Hayashi

I. Okamura vs K. Hayashi H2H Profile

I. Okamura	Stats	K. Hayashi
$0	Career Prize Money	$0
47.67% (246-270)	Career Total W/L	45.45% (20-24)
1	Hard	0
1	Total H2H Matches	0
0% (0-0)	YTD Win/Loss	0% (0-0)

I. Okamura vs K. Hayashi Match Preview:

Second serve performance recent form: In recent form (last 6 months), Issei Okamura has won 41.21% of points on their second serve, while Kohei Hayashi has won 40.38%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Issei Okamura, in recent form, has won 43.22% of their opponent's second serve points, while Kohei Hayashi has won 35.48%. The same stats for first serve returns are 25.18% and 32.39% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Issei Okamura has saved 48.08% of breakpoints in recent form, whereas Kohei Hayashi has saved 63.16% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Issei Okamura has won 48.72% of matches played (W/L 19/20), with Kohei Hayashi winning 44.44% (W/L 8/10) that gives us an overall head-to head prediction overview.
Best surface: Issei Okamura has their best career surface win % on Grass, winning 67% (W/L 4/2), and worse career win % on I.hard, winning 13% (W/L 2/13). Kohei Hayashi has their best career surface win % on I.hard, winning 67% (W/L 1/1), and worse career win % on Clay, winning 33% (W/L 1/2).
Player level: In the last year, Issei Okamura has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 48.72% of matches (W/L 19/20), where as Kohei Hayashi has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 44.44% of matches (W/L 8/10). 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 Issei Okamura winning 1 times and Kohei Hayashi being victorious 0 times. They have played 3 sets in total, with Issei Okamura winning 2 and Kohei Hayashi winning 1.
The last match between Issei Okamura and Kohei Hayashi was at the M15 Osaka, 20-04-2025, Round: Q1, Surface: Hard, with Issei Okamura getting the victory 6-0 3-6 10-8.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
Opponent quality stats: Over the last 12 months, Issei Okamura has played against opponents with an average rank of 283.82 while Kohei Hayashi has played against players with an average rank of 232.11.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Issei Okamura has won 50% of deciding sets over the last 12 months, while Kohei Hayashi has won 33% in all matches played on tour.
Break point conversion: In recent form, Issei Okamura has converted 23.91% of breakpoint opportunities, and Kohei Hayashi has converted 42.86% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Issei Okamura vs Kohei Hayashi Editorial Preview By TennisTipster88.

I. Okamura vs K. Hayashi H2H Stats Used In Our Predictions

I. Okamura	Stats	K. Hayashi
1	H2H Matches Won	0
2	Sets Won	1
19	Games Won	14
0:0:0	Average Match Time	0:0:0
100% (1/1)	Best‑of‑3 Win %	0% (0/1)
100% (1/1)	Deciding Set 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

I. Okamura Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M25 Takasaki - 15-09-2025
Q1 Jonathan MridhaJ. Mridha	L	6-3 7-6(5)	Stats
M25 Sapporo - 08-09-2025
Q1 Natsuki YamamotoN. Yamamoto	L	6-2 4-6 10-5	Stats
M25 Sapporo - 01-09-2025
R1 Naoya HondaN. Honda	L	6-3 6-2	Stats
Q3 Seiya NakanishiS. Nakanishi	W	4-6 7-6(5) 10-8	Stats
M15 Singapore - 11-08-2025
R1 Antoine BergerA. Berger	L	6-1 6-1	Stats

View All

K. Hayashi Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
M15 Tokyo - 07-07-2025
R1 Hikaru ShiraishiH. Shiraishi	L	6-2 6-2	Stats
Q3 Yamato YukawaY. Yukawa	W	6-3 3-6 10-6	Stats
Q1 Saki TangeS. Tange	W	6-2 6-4	Stats
M15 Karuizawa - 02-06-2025
R1 Ko SuzukiK. Suzuki	L	6-3 6-3	Stats
M15 Osaka - 21-04-2025
Q1 Issei OkamuraI. Okamura	L	6-0 3-6 10-8	Stats

View All

I. Okamura vs K. Hayashi Stats Breakdown Vs All H2H Opponents

I. Okamura	Stats	K. Hayashi
47.67% (246/270)	YTD Win/Loss	45.45% (20/24)
48.10% (558/602)	Sets Win/Loss	45.10% (46/56)
49.25% (5292/5454)	Games Win/Loss	48.09% (490/529)
49.88% (203/204)	Hard Win/Loss	46.15% (18/21)
44.00% (33/42)	Clay Win/Loss	33.33% (1/2)
21.43% (6/22)	Indoor Hard W/L	50.00% (1/1)
66.67% (4/2)	Grass Win/Loss	0% (0/0)
0.13	Aces Per Game	0.05
676	Aces Total	24
0.19	Double Faults Per Game	0.15
997	Total Double Faults	73
1:7:51	Average Match Time	1:9:43
478.65	Average Opponent Rank	310.5
61% (13952/22795)	1st Serve %	68% (1225/1797)
64% (8954/13952)	1st Serve Win %	57% (699/1225)
47% (4192/8843)	2nd Serve Win %	45% (255/572)
42% (915/2180)	Break Points Won % (Total)	39% (67/172)
39% (8872/22653)	Return Points Win %	40% (705/1768)
29.73% (11/26)	Challenger W/L	0.00% (0/2)
49.06% (235/244)	Futures W/L	47.62% (20/22)
47% (240/509)	Best of 3 Sets Win %	45% (20/44)
100% (2/2)	Best of 5 Sets Win %	0% (0/0)
48% (51/106)	Tiebreaks Win % (Total)	30% (3/10)
46% (61/132)	Deciding Set Win %	57% (8/14)
85% (261/221)	1st Set Won, Won Match	100% (16/16)
15% (261/40)	1st Set Won, Lost Match	0% (16/0)
9% (254/24)	1st Set Lost, Won Match	14% (28/4)