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

Wojtek Kolan

Wojtek Kolan

Published on 22 Apr at 02:54 AM UTC

HEAD TO HEAD

I. Okamura vs J. Yamasaki

Issei Okamura
Issei Okamura

Flag JPN JPN

w
l
l
l
l
l
w
l
l
l
Jumpei Yamasaki
Jumpei Yamasaki

Flag JPN JPN

w
l
w
w
w
w
l
w
w
l

1

Win

5

Played

4

Win

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

Head-to-head: Okamura 1 - 4 Yamasaki

They have played 12 sets in total, with Issei Okamura winning 3 and Jumpei Yamasaki winning 9. 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
Okamura1
Yamasaki4
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

I. Okamura vs J. Yamasaki H2H Profile

Stats
$0Career Prize Money$0
47.67% (246-270)Career Total W/L57.92% (267-194)
1Hard4
0Titles3
1Total H2H Matches4
0% (0-0)YTD Win/Loss0% (0-0)

I. Okamura vs J. Yamasaki 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.

Issei Okamura vs Jumpei Yamasaki Editorial Preview By TennisTipster88.

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

Stats
1H2H Matches Won4
3Sets Won9
44Games Won64
8Aces (Total)16
15Total Double Faults7
1:45:45Average Match Time1:45:45
64% (185/288)1st Serve %59% (180/303)
59% (110/185)1st Serve Win %68% (122/180)
49% (50/103)2nd Serve Win %48% (59/123)
50% (13/26)Break Pts Won %46% (18/39)
40% (122/303)Return Points Win %44% (128/288)
20% (1/5)Best‑of‑3 Win %80% (4/5)
50% (1/2)Deciding Set Win %50% (1/2)
0% (0/1)1st Set Won, Won Match75% (3/4)
100% (1/1)1st Set Won, Lost Match25% (1/4)
25% (1/4)1st Set Lost, Won Match100% (1/1)

Recent Performance Stats

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

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

J. Yamasaki Recent Matches Played

OPPONENTRESULTSCOREH2H
HardYokohama Challenger - 17-11-2025

R1

JPNY. Mochizuki
L
6-4 7-6(5)

Q3

JPNN. Nakagawa
W
6-3 6-1

Q1

KORU. Park
W
6-4 ret.
HardM25 Takasaki - 15-09-2025

QF

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

R2

JPNT. Yamanaka
W
6-2 6-3
banner

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

Stats
47.67% (246/270)YTD Win/Loss57.92% (267/194)
48.10% (558/602)Sets Win/Loss56.08% (581/455)
49.25% (5292/5454)Games Win/Loss52.77% (5039/4510)
49.88% (203/204)Hard Win/Loss58.24% (212/152)
44.00% (33/42)Clay Win/Loss55.36% (31/25)
21.43% (6/22)Indoor Hard W/L58.54% (24/17)
66.67% (4/2)Grass Win/Loss0% (0/0)
0.13Aces Per Game0.22
676Aces Total1018
0.19Double Faults Per Game0.1
997Total Double Faults451
1:7:51Average Match Time1:21:6
477.95Average Opponent Rank501.15
61% (13952/22795)1st Serve %64% (14608/22757)
64% (8954/13952)1st Serve Win %66% (9578/14608)
47% (4192/8843)2nd Serve Win %50% (4040/8149)
42% (915/2180)Break Points Won % (Total)44% (1037/2340)
39% (8872/22653)Return Points Win %41% (9507/23232)
29.73% (11/26)Challenger W/L38.46% (15/24)
49.06% (235/244)Futures W/L59.72% (252/170)
47% (240/509)Best of 3 Sets Win %57% (256/448)
100% (2/2)Best of 5 Sets Win %100% (6/6)
48% (51/106)Tiebreaks Win % (Total)51% (56/109)
46% (61/132)Deciding Set Win %54% (62/115)
85% (261/221)1st Set Won, Won Match88% (261/229)
15% (261/40)1st Set Won, Lost Match12% (261/32)
9% (254/24)1st Set Lost, Won Match19% (199/37)

Other Tennis Predictions Today

Sat, 22 Nov, 06:00 PM
Prediction
BRAD. D. D. Silva
BRAG. Heide
W1
3.4
W2
1.26
Sat, 22 Nov, 05:00 AM
Prediction
JPNY. Kawahashi4
AUSC. Ferguson2
W1
1.84
W2
1.84
Sat, 22 Nov, 10:30 AM
Prediction
SRBO. Milic1
SUIL. Staeheli3
W1
1.97
W2
1.727
Sat, 22 Nov, 03:00 AM
Prediction
ECUA. Andrade9
ARGF. A. Gomez8
W1
2.13
W2
1.62
Sat, 22 Nov, 01:30 PM
Prediction
GBRC. RobertsonJR
GBRT. Samuel
W1
2.72
W2
1.39
Sat, 22 Nov, 11:00 AM
Prediction
ROUD. N. MadarasWC
GBRF. Gill3WC
W1
1.69
W2
2.02