Prediction of Risa Ozaki vs Erika Sema Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
R. Ozaki vs E. Sema

Risa Ozaki

JPN

2

Win

Played

1

Win

Age

1.63m

Height

Ret.

C. Rank

597

Best Rank

114

Total Titles

YTD Titles

$324.8K

Career Money

$117.4K

Right-Handed

Plays

Erika Sema

JPN

2

Win

Played

1

Win

Age

1.63m

Height

Ret.

C. Rank

597

Best Rank

114

Total Titles

YTD Titles

$324.8K

Career Money

$117.4K

Right-Handed

Plays

Head-to-head: Ozaki 2 - 1 Sema

They have played 7 sets in total, with Risa Ozaki winning 4 and Erika Sema winning 3. The last match between Erika Sema and Risa Ozaki was at the W25 Osaka, 11-04-2019, Round: R2, Surface: Hard, with Erika Sema getting the victory 7-5 7-6(1).

Players	Head To Head Match Wins
Ozaki	2
Sema	1

Last 3 H2H Matches:

(R2) W25 Osaka(04-11-19)

Stats

Erika Sema

Risa Ozaki

(R1) Burnie(02-02-15)

Stats

Risa Ozaki

Erika Sema

(R1) Sydney(02-13-12)

Stats

Risa Ozaki

Erika Sema

R. Ozaki vs E. Sema H2H Profile

R. Ozaki	Stats	E. Sema
$324,807	Career Prize Money	$117,356
53.18% (251-221)	Career Total W/L	52.41% (500-454)
2	Hard	1
7	Titles	11
2	Total H2H Matches	1
0% (0-0)	YTD Win/Loss	0% (0-0)

R. Ozaki vs E. Sema Match Preview:

Second serve performance recent form: In recent form (last 6 months), Risa Ozaki has won 0% of points on their second serve, while Erika Sema has won 36.36%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Risa Ozaki, in recent form, has won 0% of their opponent's second serve points, while Erika Sema has won 54.63%. The same stats for first serve returns are 0% and 36.21% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Risa Ozaki has saved 0% of breakpoints in recent form, whereas Erika Sema has saved 48.51% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Risa Ozaki has won 0% of matches played (W/L 0/0), with Erika Sema winning 51.92% (W/L 27/25) that gives us an overall head-to head prediction overview.
Best surface: Risa Ozaki has their best career surface win % on Hard, winning 57% (W/L 191/144), and worse career win % on I.hard, winning 27% (W/L 4/11). Erika Sema has their best career surface win % on Hard, winning 57% (W/L 388/317), and worse career win % on Grass, winning 42% (W/L 15/21).
Player level: In the last year, Risa Ozaki has played most of their matches on the N/A, winning 0% of matches (W/L 0/0), where as Erika Sema has played most of their matches on the Challengers/ITF tournaments > $10K, winning 50.00% of matches (W/L 20/20). 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 3 times before with Risa Ozaki winning 2 times and Erika Sema being victorious 1 times. They have played 7 sets in total, with Risa Ozaki winning 4 and Erika Sema winning 3.
The last match between Risa Ozaki and Erika Sema was at the W25 Osaka, 11-04-2019, Round: R2, Surface: Hard, with Erika Sema getting the victory 7-5 7-6(1).
Head to head match duration: In past head to head matches, the average match time between these players has been 0:54:40.
Opponent quality stats: Over the last 12 months, Risa Ozaki has played against opponents with an average rank of 0 while Erika Sema has played against players with an average rank of 417.35.
Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Risa Ozaki has won 0% of deciding sets over the last 12 months, while Erika Sema has won 50% in all matches played on tour.
Break point conversion: In recent form, Risa Ozaki has converted 0% of breakpoint opportunities, and Erika Sema has converted 43.69% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.

Risa Ozaki vs Erika Sema Editorial Preview By TennisTipster88.

R. Ozaki vs E. Sema H2H Stats Used In Our Predictions

R. Ozaki	Stats	E. Sema
2	H2H Matches Won	1
4	Sets Won	3
44	Games Won	39
3	Total Double Faults	7
0:54:40	Average Match Time	0:54:40
67% (49/73)	1st Serve %	64% (56/88)
51% (25/49)	1st Serve Win %	55% (31/56)
38% (9/24)	2nd Serve Win %	44% (14/32)
55% (6/11)	Break Pts Won %	78% (7/9)
49% (43/88)	Return Points Win %	53% (39/73)
67% (2/3)	Best‑of‑3 Win %	33% (1/3)
100% (1/1)	Deciding Set Win %	0% (0/1)
100% (2/2)	1st Set Won, Won Match	100% (1/1)
0% (0/2)	1st Set Won, Lost Match	0% (0/1)
0% (0/1)	1st Set Lost, Won Match	0% (0/2)

Recent Performance Stats

R. Ozaki Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W25 Yokohama - 02-03-2020
R1 Himeno SakatsumeH. Sakatsume	L	6-4 6-0	Stats
W25 Hong Kong - 06-01-2020
R2 Moyuka UchijimaM. Uchijima	L	6-4 6-2	Stats
R1 Kwan Yau NgK. Yau	W	6-2 6-2	Stats
W25 Hong Kong - 30-12-2019
R1 Xiaodi YouX. You	L	6-3 6-2	Stats
Taipei OEC Open - Taipei - 11-11-2019
R1 Kamilla RakhimovaK. Rakhimova	L	6-1 6-3	Stats

View All

E. Sema Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W35 Hamamatsu - 03-11-2025
R1 Sara SaitoS. Saito	L	6-1 6-2	Stats
W35 Brisbane - 27-10-2025
SF Natsumi KawaguchiN. Kawaguchi	L	6-1 7-5	Stats
QF Elena MicicE. Micic	W	w/o	Stats
R2 Kimiko CooperK. Cooper	W	6-4 7-5	Stats
R1 Brooke BlackB. Black	W	6-3 6-2	Stats

View All

R. Ozaki vs E. Sema Stats Breakdown Vs All H2H Opponents

R. Ozaki	Stats	E. Sema
53.18% (251/221)	YTD Win/Loss	52.47% (500/453)
51.93% (565/523)	Sets Win/Loss	52.04% (1134/1045)
50.58% (5026/4911)	Games Win/Loss	51.55% (10190/9577)
57.01% (191/144)	Hard Win/Loss	55.04% (388/317)
46.97% (31/35)	Clay Win/Loss	44.68% (42/52)
40.00% (14/21)	Indoor Hard W/L	46.61% (55/63)
41.67% (15/21)	Grass Win/Loss	41.67% (15/21)
0.05	Aces Per Game	0.04
221	Aces Total	376
0.1	Double Faults Per Game	0.17
505	Total Double Faults	1677
1:2:42	Average Match Time	1st Match
628.93	Average Opponent Rank	587.68
72% (14266/19851)	1st Serve %	73% (25563/35161)
56% (8034/14266)	1st Serve Win %	57% (14499/25563)
46% (2559/5585)	2nd Serve Win %	43% (4125/9598)
49% (1186/2413)	Break Points Won % (Total)	49% (2298/4667)
46% (8867/19405)	Return Points Win %	47% (16641/35402)
30.77% (8/18)	Slam W/L	33.33% (8/16)
55.56% (15/12)	Masters W/L	40.00% (2/3)
43.36% (49/64)	Main Tour W/L	39.13% (18/28)
58.50% (179/127)	Challenger W/L	52.84% (418/373)
0% (0/0)	Futures W/L	62.07% (54/33)
53% (244/464)	Best of 3 Sets Win %	52% (483/933)
67% (2/3)	Best of 5 Sets Win %	100% (3/3)
59% (55/94)	Tiebreaks Win % (Total)	44% (72/163)
54% (79/146)	Deciding Set Win %	48% (139/289)
87% (235/204)	1st Set Won, Won Match	84% (503/424)
13% (235/30)	1st Set Won, Lost Match	15% (503/77)
19% (237/45)	1st Set Lost, Won Match	15% (449/68)