Jumpei Yamasaki vs Issei Okamura Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Wojtek Kolan

Published on 22 Apr at 02:54 AM UTC

HEAD TO HEAD

J. Yamasaki vs I. Okamura

Jumpei Yamasaki
Jumpei Yamasaki

Flag JPN JPN

w
l
l
w
l
w
w
w
w
l
Issei Okamura
Issei Okamura

Flag JPN JPN

w
l
l
l
l
l
w
l
l
l

4

Win

5

Played

1

Win

28
Age
33
5'11" (180 cm)
Height
5'7" (170 cm)
896
C. Rank
870
446
Best Rank
574
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
Right-Handed
Plays
Right-Handed

Head-to-head: Yamasaki 4 - 1 Okamura

They have played 12 sets in total, with Jumpei Yamasaki winning 9 and Issei Okamura winning 3. The last match between Jumpei Yamasaki and Issei Okamura was at the M15 Osaka, 22-04-2025, Round: R1, Surface: Hard, with Jumpei Yamasaki getting the victory 6-3 6-4.

PlayersHead To Head Match Wins
Yamasaki4
Okamura1
Last 5 H2H Matches:

(R1M15 Osaka(04-22-25)

Hard
JPN Flag
Jumpei Yamasaki
6
6
JPN Flag
Issei Okamura
3
4

(Q1M15 Nishi-Tokyo(03-18-24)

Hard
JPN Flag
Jumpei Yamasaki
6
6
JPN Flag
Issei Okamura
2
1

(R1M25 Matsuyama(04-11-19)

Hard
JPN Flag
Issei Okamura
4
7
6
JPN Flag
Jumpei Yamasaki
6
5
1

J. Yamasaki vs I. Okamura H2H Profile

Stats
$0Career Prize Money$0
57.86% (265-193)Career Total W/L47.67% (246-270)
4Hard1
3Titles0
4Total H2H Matches1
0% (0-0)YTD Win/Loss0% (0-0)

J. Yamasaki vs I. Okamura Match Preview:

How vital is the second serve in tennis, and do these statistics paint a prediction's picture? Analyzing recent performances in this domain, Okamura has captured 43.27% of points from their second serve, closely shadowed by Yamasaki who achieves 44.9%. With a strong correlation between these figures and the accuracy of match forecasts, Yamasaki seems to have a slight edge.

Diving into return game statistics, both players present intriguing patterns. Okamura secures 43.33% of points on their opponent's second serve, whereas Yamasaki clinches a higher 46.61%. Regarding first serve returns, the balance seems precarious as Okamura has a rate of 26.96% and Yamasaki, 26.91%. These numbers could hint at who might seize control in this faceoff.

What about the resilience under pressure? Okamura saves 48.55% of breakpoints, while Yamasaki emerges stronger by saving 58.33% of such key moments. Undoubtedly, this is crucial for live betting predictions in tightly contested matches.

Considering the broader performance view over the past year, Okamura has secured victories in 55% of matches (W/L 33/27), whereas Yamasaki has won 62.07% of his encounters (W/L 18/11). This head-to-head reflection offers essential insight into their historical consistency.

A closer inspection of surface proficiency reveals nuances in their game styles. Okamura shines on grass with a 67% win rate (W/L 4/2) but struggles on indoor hard courts, claiming only 15% (W/L 2/11). On the contrary, Yamasaki thrives on indoor hard surfaces with a 62% success rate (W/L 16/10), facing more challenges on clay with a 55% win rate (W/L 29/24).

The players have met four times, with Okamura clinching victory once, while Yamasaki has triumphed thrice. Across 10 sets, Yamasaki leads 7-3. This head-to-head insight, combined with an average match duration of 1:41:45, might skew predictions in Yamasaki's favor.

The decisive set track record reveals that they've split the deciding moments, each winning once. If the match reaches this juncture again, considering Okamura's 64% win in deciding sets over the past year versus Yamasaki's 33%, it might favor Okamura.

The quality of opponents also varies, as Okamura's rivals average a rank of 279.83, whereas Yamasaki's average opponent is ranked 150.34, reflecting a tougher journey and potentially tighter skillset.

Looking at breakpoint opportunities, Okamura converts 30.23% in recent scenarios, whereas Yamasaki converts 25.93%. This metric is pivotal for live betting opportunities when breakpoints are at stake.

In conclusion, while both players exhibit distinct strengths and potential weaknesses, the available stats slightly favor Yamasaki in this upcoming clash. However, if the game stretches to a deciding set, Okamura might turn the tables based on past forms and statistical edges.

Jumpei Yamasaki vs Issei Okamura Editorial Preview By TennisTipster88.

J. Yamasaki vs I. Okamura H2H Stats Used In Our Predictions

Stats
4H2H Matches Won1
9Sets Won3
64Games Won44
16Aces (Total)8
7Total Double Faults15
1:45:45Average Match Time1:45:45
59% (180/303)1st Serve %64% (185/288)
68% (122/180)1st Serve Win %59% (110/185)
48% (59/123)2nd Serve Win %49% (50/103)
46% (18/39)Break Pts Won %50% (13/26)
44% (128/288)Return Points Win %40% (122/303)
80% (4/5)Best‑of‑3 Win %20% (1/5)
50% (1/2)Deciding Set Win %50% (1/2)
75% (3/4)1st Set Won, Won Match0% (0/1)
25% (1/4)1st Set Won, Lost Match100% (1/1)
100% (1/1)1st Set Lost, Won Match25% (1/4)

Recent Performance Stats

2nd Serve Win %: Yamasaki 51%, Okamura 45%.
Opp 2nd Serve Pts Won: Yamasaki 54%, Okamura 47%.
Break Points Saved %: Yamasaki 57%, Okamura 51%.

J. Yamasaki Recent Matches Played

OPPONENTRESULTSCOREH2H
HardM25 Takasaki - 15-09-2025

QF

JPNT. Kumasaka
L
6-7(6) 6-0 6-3

R2

JPNT. Yamanaka
W
6-2 6-3

R1

CZED. Palan
W
6-2 ret.

Q3

SWEJ. Mridha
W
7-5 7-6(6)

Q1

JPNK. Suzuki
W
6-4 6-2

I. Okamura Recent Matches Played

OPPONENTRESULTSCOREH2H
HardM25 Takasaki - 15-09-2025

Q1

SWEJ. Mridha
L
6-3 7-6(5)
HardM25 Sapporo - 08-09-2025

Q1

JPNN. Yamamoto
L
6-2 4-6 10-5
HardM25 Sapporo - 01-09-2025

R1

JPNN. Honda
L
6-3 6-2

Q3

JPNS. Nakanishi
W
4-6 7-6(5) 10-8
I.hardM15 Singapore - 11-08-2025

R1

FRAA. Berger
L
6-1 6-1
banner

J. Yamasaki vs I. Okamura Stats Breakdown Vs All H2H Opponents

Stats
57.86% (265/193)YTD Win/Loss47.67% (246/270)
56.06% (578/453)Sets Win/Loss48.10% (558/602)
52.75% (5011/4489)Games Win/Loss49.25% (5292/5454)
58.17% (210/151)Hard Win/Loss49.88% (203/204)
55.36% (31/25)Clay Win/Loss44.00% (33/42)
58.54% (24/17)Indoor Hard W/L21.43% (6/22)
0% (0/0)Grass Win/Loss66.67% (4/2)
0.22Aces Per Game0.13
1012Aces Total676
0.1Double Faults Per Game0.19
447Total Double Faults997
1:21:7Average Match Time1:7:51
500.7Average Opponent Rank477.07
64% (14499/22594)1st Serve %61% (13952/22795)
66% (9502/14499)1st Serve Win %64% (8954/13952)
50% (4014/8095)2nd Serve Win %47% (4192/8843)
44% (1029/2323)Break Points Won % (Total)42% (915/2180)
41% (9439/23073)Return Points Win %39% (8872/22653)
36.11% (13/23)Challenger W/L29.73% (11/26)
59.72% (252/170)Futures W/L49.06% (235/244)
57% (255/446)Best of 3 Sets Win %47% (240/509)
100% (6/6)Best of 5 Sets Win %100% (2/2)
52% (56/108)Tiebreaks Win % (Total)48% (51/106)
54% (62/115)Deciding Set Win %46% (61/132)
88% (259/227)1st Set Won, Won Match85% (261/221)
12% (259/32)1st Set Won, Lost Match15% (261/40)
19% (198/37)1st Set Lost, Won Match9% (254/24)

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