Kazuki Nishiwaki vs Issei Okamura Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
K. Nishiwaki vs I. Okamura
Kazuki Nishiwaki
JPN
l
w
w
w
l
w
w
w
w
l
2
Win
4
Played
2
Win
31
Age
33
5'10" (178 cm)
Height
5'7" (170 cm)
747
C. Rank
870
608
Best Rank
574
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
Right-Handed
Plays
Right-Handed
Issei Okamura
JPN
w
l
l
l
l
l
w
l
l
l
2
Win
4
Played
2
Win
31
Age
33
5'10" (178 cm)
Height
5'7" (170 cm)
747
C. Rank
870
608
Best Rank
574
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
Right-Handed
Plays
Right-Handed
Head-to-head: Nishiwaki 2 - 2 Okamura
They have played 7 sets in total, with Kazuki Nishiwaki winning 4 and Issei Okamura winning 3. The last match between Issei Okamura and Kazuki Nishiwaki was at the M25 Hong Kong, 27-08-2024, Round: R1, Surface: Hard, with Issei Okamura getting the victory 6-2 6-4.
| Players | Head To Head Match Wins |
|---|---|
| Nishiwaki | 2 |
| Okamura | 2 |
Last 4 H2H Matches:
(R1) M25 Hong Kong(08-27-24)
Issei Okamura
6
6
Kazuki Nishiwaki
2
4
(R2) Hong Kong F1 (Hong Kong)(06-27-18)
Issei Okamura
6
Kazuki Nishiwaki
4
(R1) Japan F6 (Matsuyama)(04-09-18)
Kazuki Nishiwaki
6
7
Issei Okamura
2
5
K. Nishiwaki vs I. Okamura H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $0 |
| 52.35% (167-152) | Career Total W/L | 47.67% (246-270) |
| 2 | Hard | 2 |
| 2 | Total H2H Matches | 2 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
K. Nishiwaki vs I. Okamura Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Kazuki Nishiwaki has won 43.02% of points on their second serve, while Issei Okamura has won 40.72%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Kazuki Nishiwaki, in recent form, has won 41.36% of their opponent's second serve points, while Issei Okamura has won 41.01%. The same stats for first serve returns are 27.22% and 24.92% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Kazuki Nishiwaki has saved 37.88% of breakpoints in recent form, whereas Issei Okamura has saved 45.61% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Kazuki Nishiwaki has won 48.39% of matches played (W/L 15/16), with Issei Okamura winning 47.62% (W/L 20/22) that gives us an overall head-to head prediction overview.
- Best surface: Kazuki Nishiwaki has their best career surface win % on Clay, winning 53% (W/L 25/22), and worse career win % on I.hard, winning 36% (W/L 4/7). Issei Okamura has their best career surface win % on Grass, winning 53% (W/L 4/2), and worse career win % on I.hard, winning 13% (W/L 2/13).
- Player level: In the last year, Kazuki Nishiwaki has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 48.39% of matches (W/L 15/16), where as Issei Okamura has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 47.62% of matches (W/L 20/22). 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 4 times before with Kazuki Nishiwaki winning 2 times and Issei Okamura being victorious 1 times. They have played 7 sets in total, with Kazuki Nishiwaki winning 4 and Issei Okamura winning 3.
- The last match between Kazuki Nishiwaki and Issei Okamura was at the M25 Hong Kong, 27-08-2024, Round: R1, Surface: Hard, with Issei Okamura getting the victory 6-2 6-4.
- Head to head match duration: In past head to head matches, the average match time between these players has been 1:29:45.
- Opponent quality stats: Over the last 12 months, Kazuki Nishiwaki has played against opponents with an average rank of 199.42 while Issei Okamura has played against players with an average rank of 305.98.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Kazuki Nishiwaki has won 20% of deciding sets over the last 12 months, while Issei Okamura has won 50% in all matches played on tour.
- Break point conversion: In recent form, Kazuki Nishiwaki has converted 32.00% of breakpoint opportunities, and Issei Okamura has converted 23.91% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Kazuki Nishiwaki vs Issei Okamura Editorial Preview By TennisTipster88.
K. Nishiwaki vs I. Okamura H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 2 | H2H Matches Won | 1 |
| 4 | Sets Won | 3 |
| 36 | Games Won | 32 |
| 7 | Aces (Total) | 3 |
| 7 | Total Double Faults | 11 |
| 1:29:45 | Average Match Time | 1:29:45 |
| 67% (147/220) | 1st Serve % | 63% (141/225) |
| 64% (94/147) | 1st Serve Win % | 58% (82/141) |
| 48% (35/73) | 2nd Serve Win % | 45% (38/84) |
| 65% (13/20) | Break Pts Won % | 41% (11/27) |
| 47% (105/225) | Return Points Win % | 41% (91/220) |
| 67% (2/3) | Best‑of‑3 Win % | 33% (1/3) |
| 100% (2/2) | 1st Set Won, Won Match | 100% (2/2) |
| 0% (0/2) | 1st Set Won, Lost Match | 0% (0/2) |
| 0% (0/2) | 1st Set Lost, Won Match | 0% (0/2) |
Recent Performance Stats
2nd Serve Win %: Nishiwaki 52%, Okamura 45%.
Opp 2nd Serve Pts Won: Nishiwaki 51%, Okamura 47%.
Break Points Saved %: Nishiwaki 52%, Okamura 51%.
K. Nishiwaki Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| M25 Bali - 08-09-2025 | ||||
QF  Arthur WeberA. Weber | L | 6-3 ret. | ||
R1  Vladislav MelnicV. Melnic | W | 6-0 6-3 | ||
R2  Digvijaypratap SinghD. Singh | W | 7-6(2) 3-6 6-4 | ||
Q3  Diogo MoraisD. Morais | W | 6-3 6-0 | ||
Q1 Aditya KothariA. Kothari | W | 6-1 6-0 | ||
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. Nishiwaki vs I. Okamura Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 52.35% (167/152) | YTD Win/Loss | 47.67% (246/270) |
| 52.46% (373/338) | Sets Win/Loss | 48.10% (558/602) |
| 51.25% (3374/3209) | Games Win/Loss | 49.25% (5292/5454) |
| 52.40% (131/119) | Hard Win/Loss | 49.88% (203/204) |
| 53.19% (25/22) | Clay Win/Loss | 44.00% (33/42) |
| 50.00% (11/11) | Indoor Hard W/L | 21.43% (6/22) |
| 0% (0/0) | Grass Win/Loss | 66.67% (4/2) |
| 0.25 | Aces Per Game | 0.13 |
| 790 | Aces Total | 676 |
| 0.17 | Double Faults Per Game | 0.19 |
| 547 | Total Double Faults | 997 |
| 1:6:15 | Average Match Time | 1:7:51 |
| 439.14 | Average Opponent Rank | 165.43 |
| 60% (8488/14155) | 1st Serve % | 61% (13952/22795) |
| 68% (5743/8488) | 1st Serve Win % | 64% (8954/13952) |
| 48% (2712/5667) | 2nd Serve Win % | 47% (4192/8843) |
| 41% (576/1400) | Break Points Won % (Total) | 42% (915/2180) |
| 40% (5563/14035) | Return Points Win % | 39% (8872/22653) |
| 20.00% (3/12) | Challenger W/L | 29.73% (11/26) |
| 53.95% (164/140) | Futures W/L | 49.06% (235/244) |
| 53% (163/308) | Best of 3 Sets Win % | 47% (240/509) |
| 67% (2/3) | Best of 5 Sets Win % | 100% (2/2) |
| 52% (34/66) | Tiebreaks Win % (Total) | 48% (51/106) |
| 49% (38/78) | Deciding Set Win % | 46% (61/132) |
| 84% (167/140) | 1st Set Won, Won Match | 85% (261/221) |
| 16% (167/26) | 1st Set Won, Lost Match | 15% (261/40) |
| 18% (152/27) | 1st Set Lost, Won Match | 9% (254/24) |
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