Issei Okamura vs Kohei Hayashi Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
I. Okamura vs K. Hayashi
Issei Okamura
JPN
w
l
l
l
l
l
w
l
l
l
1
Win
1
Played
0
Win
33
Age
24
5'7" (170 cm)
Height
-
870
C. Rank
0
574
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
Right-Handed
Plays
-
Kohei Hayashi
JPN
w
w
l
w
l
l
l
w
w
l
1
Win
1
Played
0
Win
33
Age
24
5'7" (170 cm)
Height
-
870
C. Rank
0
574
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
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)
Issei Okamura
6
3
10
Kohei Hayashi
0
6
8
I. Okamura vs K. Hayashi H2H Profile
| Stats | ||
|---|---|---|
| $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 40.72% of points on their second serve, while Kohei Hayashi has won 45.24%. 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 41.01% of their opponent's second serve points, while Kohei Hayashi has won 37.50%. The same stats for first serve returns are 24.92% and 27.66% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Issei Okamura has saved 45.61% of breakpoints in recent form, whereas Kohei Hayashi has saved 57.69% 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 47.83% (W/L 11/12) 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 47.83% of matches (W/L 11/12). 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 282.26 while Kohei Hayashi has played against players with an average rank of 218.7.
- 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 50% 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 44.44% 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
| Stats | ||
|---|---|---|
| 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
2nd Serve Win %: Okamura 45%, Hayashi 44%.
Opp 2nd Serve Pts Won: Okamura 47%, Hayashi 48%.
Break Points Saved %: Okamura 51%, Hayashi 46%.
I. Okamura Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| M25 Takasaki - 15-09-2025 | ||||
Q1  Jonathan MridhaJ. Mridha | L | 6-3 7-6(5) | ||
| M25 Sapporo - 08-09-2025 | ||||
Q1 Natsuki YamamotoN. Yamamoto | L | 6-2 4-6 10-5 | ||
| M25 Sapporo - 01-09-2025 | ||||
R1 Naoya HondaN. Honda | L | 6-3 6-2 | ||
Q3 Seiya NakanishiS. Nakanishi | W | 4-6 7-6(5) 10-8 | ||
 M15 Singapore - 11-08-2025 | ||||
R1  Antoine BergerA. Berger | L | 6-1 6-1 | ||
K. Hayashi Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| M15 Tokyo - 07-07-2025 | ||||
R1 Hikaru ShiraishiH. Shiraishi | L | 6-2 6-2 | ||
Q3 Yamato YukawaY. Yukawa | W | 6-3 3-6 10-6 | ||
Q1 Saki TangeS. Tange | W | 6-2 6-4 | ||
 M15 Karuizawa - 02-06-2025 | ||||
R1 Ko SuzukiK. Suzuki | L | 6-3 6-3 | ||
| M15 Osaka - 21-04-2025 | ||||
Q1 Issei OkamuraI. Okamura | L | 6-0 3-6 10-8 | ||
I. Okamura vs K. Hayashi Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 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 |
| 477.21 | Average Opponent Rank | 305.77 |
| 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) |
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