Prediction of Issei Okamura vs Masato Shiga Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
I. Okamura vs M. Shiga

Issei Okamura

JPN

2

Win

Played

2

Win

Age

5'7" (170 cm)

Height

870

C. Rank

Ret.

574

Best Rank

479

Total Titles

YTD Titles

Career Money

Right-Handed

Plays

Masato Shiga

JPN

2

Win

Played

2

Win

Age

5'7" (170 cm)

Height

870

C. Rank

Ret.

574

Best Rank

479

Total Titles

YTD Titles

Career Money

Right-Handed

Plays

Head-to-head: Okamura 2 - 2 Shiga

They have played 7 sets in total, with Issei Okamura winning 3 and Masato Shiga winning 4. The last match between Issei Okamura and Masato Shiga was at the Japan F7 (Tokyo), 06-06-2017, Round: R1, Surface: Hard, with Issei Okamura getting the victory 6-4 ret..

Players	Head To Head Match Wins
Okamura	2
Shiga	2

Last 4 H2H Matches:

(R1) Japan F7 (Tokyo)(06-06-17)

Stats

Issei Okamura

Masato Shiga

(Q1) Kobe Challenger(11-05-16)

Stats

Masato Shiga

Issei Okamura

(R2) Chinese Taipei F1(08-17-15)

Stats

Issei Okamura

Masato Shiga

I. Okamura vs M. Shiga H2H Profile

I. Okamura	Stats	M. Shiga
$0	Career Prize Money	$0
47.67% (246-270)	Career Total W/L	49.08% (134-139)
2	Hard	1
0	Indoor	1
0	Titles	2
2	Total H2H Matches	2
0% (0-0)	YTD Win/Loss	0% (0-0)

I. Okamura vs M. Shiga 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 Masato Shiga has won 0%. 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 Masato Shiga has won 0%. The same stats for first serve returns are 24.92% and 0% 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 Masato Shiga has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Issei Okamura has won 47.62% of matches played (W/L 20/22), with Masato Shiga winning 0% (W/L 0/0) 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). Masato Shiga has their best career surface win % on Grass, winning 67% (W/L 3/1), and worse career win % on Clay, winning 32% (W/L 8/17).
Player level: In the last year, Issei Okamura has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 47.62% of matches (W/L 20/22), where as Masato Shiga has played most of their matches on the N/A, winning 0% of matches (W/L 0/0). 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 Issei Okamura winning 1 times and Masato Shiga being victorious 2 times. They have played 7 sets in total, with Issei Okamura winning 3 and Masato Shiga winning 4.
The last match between Issei Okamura and Masato Shiga was at the Japan F7 (Tokyo), 06-06-2017, Round: R1, Surface: Hard, with Issei Okamura getting the victory 6-4 ret..
Head to head match duration: In past head to head matches, the average match time between these players has been 0:33:12.
Opponent quality stats: Over the last 12 months, Issei Okamura has played against opponents with an average rank of 304.45 while Masato Shiga has played against players with an average rank of 0.
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 Masato Shiga has won 0% in all matches played on tour.
Break point conversion: In recent form, Issei Okamura has converted 23.91% of breakpoint opportunities, and Masato Shiga has converted 0% 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 Masato Shiga Editorial Preview By TennisTipster88.

I. Okamura vs M. Shiga H2H Stats Used In Our Predictions

I. Okamura	Stats	M. Shiga
1	H2H Matches Won	2
3	Sets Won	4
25	Games Won	36
4	Aces (Total)	1
2	Total Double Faults	3
0:33:12	Average Match Time	0:33:12
48% (39/82)	1st Serve %	80% (71/89)
49% (19/39)	1st Serve Win %	59% (42/71)
37% (16/43)	2nd Serve Win %	33% (6/18)
63% (5/8)	Break Pts Won %	67% (8/12)
46% (41/89)	Return Points Win %	57% (47/82)
33% (1/3)	Best‑of‑3 Win %	67% (2/3)
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

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

M. Shiga Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Yokohama Challenger - 26-02-2018
Q1 Yunseong ChungY. Chung	L	6-0 7-5	Stats
Thailand F9 (Pattaya) - 16-10-2017
R1 Pruchya IsarowP. Isarow	L	6-4 6-0	Stats
Thailand F8 (Nonthaburi) - 09-10-2017
R2 Nam Hoang LyN. Hoang	L	6-3 7-5	Stats
R1 Kittiphong WachiramanowongK. Wachiramanowong	W	7-6(5) 6-3	Stats
Gwangju Challenger - 18-09-2017
Q2 Miliaan NiestenM. Niesten	L	6-3 5-7 6-4	Stats

View All

I. Okamura vs M. Shiga Stats Breakdown Vs All H2H Opponents

I. Okamura	Stats	M. Shiga
47.67% (246/270)	YTD Win/Loss	49.08% (134/139)
48.10% (558/602)	Sets Win/Loss	47.85% (290/316)
49.25% (5292/5454)	Games Win/Loss	49.29% (2693/2771)
49.88% (203/204)	Hard Win/Loss	52.47% (117/106)
44.00% (33/42)	Clay Win/Loss	32.00% (8/17)
21.43% (6/22)	Indoor Hard W/L	28.57% (6/15)
66.67% (4/2)	Grass Win/Loss	75.00% (3/1)
0.13	Aces Per Game	0.02
676	Aces Total	65
0.19	Double Faults Per Game	0.08
997	Total Double Faults	222
1:7:51	Average Match Time	1st Match
477.21	Average Opponent Rank	557.39
61% (13952/22795)	1st Serve %	73% (6191/8536)
64% (8954/13952)	1st Serve Win %	59% (3651/6191)
47% (4192/8843)	2nd Serve Win %	47% (1101/2347)
42% (915/2180)	Break Points Won % (Total)	49% (446/907)
39% (8872/22653)	Return Points Win %	43% (3556/8276)
0% (0/0)	Main Tour W/L	0.00% (0/1)
29.73% (11/26)	Challenger W/L	25.81% (8/23)
49.06% (235/244)	Futures W/L	52.28% (126/115)
47% (240/509)	Best of 3 Sets Win %	48% (125/263)
100% (2/2)	Best of 5 Sets Win %	100% (4/4)
48% (51/106)	Tiebreaks Win % (Total)	35% (19/55)
46% (61/132)	Deciding Set Win %	56% (35/62)
85% (261/221)	1st Set Won, Won Match	88% (126/111)
15% (261/40)	1st Set Won, Lost Match	12% (126/15)
9% (254/24)	1st Set Lost, Won Match	14% (147/20)