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

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
E. Sema vs R. Ozaki

Erika Sema

JPN

1

Win

Played

2

Win

Age

Height

1.63m

597

C. Rank

Ret.

114

Best Rank

Total Titles

YTD Titles

$117.4K

Career Money

$324.8K

Plays

Right-Handed

Risa Ozaki

JPN

1

Win

Played

2

Win

Age

Height

1.63m

597

C. Rank

Ret.

114

Best Rank

Total Titles

YTD Titles

$117.4K

Career Money

$324.8K

Plays

Right-Handed

Head-to-head: Sema 1 - 2 Ozaki

They have played 7 sets in total, with Erika Sema winning 3 and Risa Ozaki winning 4. 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
Sema	1
Ozaki	2

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

E. Sema vs R. Ozaki H2H Profile

E. Sema	Stats	R. Ozaki
$117,356	Career Prize Money	$324,807
52.46% (502-455)	Career Total W/L	53.18% (251-221)
1	Hard	2
11	Titles	7
1	Total H2H Matches	2
0% (0-0)	YTD Win/Loss	0% (0-0)

E. Sema vs R. Ozaki Match Preview:

Second serve performance recent form: In recent form (last 6 months), Erika Sema has won 36.18% of points on their second serve, while Risa Ozaki has won 0%. There is a high correlation between this stat and match prediction accuracy.
Return game stats recent form: Return stats show Erika Sema, in recent form, has won 53.46% of their opponent's second serve points, while Risa Ozaki has won 0%. The same stats for first serve returns are 35.58% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
Under pressure analysis: Erika Sema has saved 47.95% of breakpoints in recent form, whereas Risa Ozaki has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Erika Sema has won 53.85% of matches played (W/L 28/24), with Risa Ozaki winning 0% (W/L 0/0) that gives us an overall head-to head prediction overview.
Best surface: Erika Sema has their best career surface win % on Hard, winning 55% (W/L 390/318), and worse career win % on Grass, winning 42% (W/L 15/21). Risa Ozaki has their best career surface win % on Hard, winning 55% (W/L 191/144), and worse career win % on I.hard, winning 27% (W/L 4/11).
Player level: In the last year, Erika Sema has played most of their matches on the Challengers/ITF tournaments > $10K, winning 52.50% of matches (W/L 21/19), where as Risa Ozaki 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 3 times before with Erika Sema winning 1 times and Risa Ozaki being victorious 2 times. They have played 7 sets in total, with Erika Sema winning 3 and Risa Ozaki winning 4.
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).
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, Erika Sema has played against opponents with an average rank of 412.31 while Risa Ozaki 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, Erika Sema has won 59% of deciding sets over the last 12 months, while Risa Ozaki has won 0% in all matches played on tour.
Break point conversion: In recent form, Erika Sema has converted 42.52% of breakpoint opportunities, and Risa Ozaki 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.

Erika Sema vs Risa Ozaki Editorial Preview By TennisTipster88.

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

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

Recent Performance Stats

E. Sema Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
W50 Yokohama - 24-11-2025
Q1 Yuka HosokiY. Hosoki	W	3-6 6-0 6-3	Stats
W100 Takasaki - 17-11-2025
Q3 Jana KolodynskaJ. Kolodynska	L	6-0 6-3	Stats
Q1 Kisa YoshiokaK. Yoshioka	W	6-1 4-6 6-4	Stats
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

View All

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 vs R. Ozaki Stats Breakdown Vs All H2H Opponents

E. Sema	Stats	R. Ozaki
52.51% (502/454)	YTD Win/Loss	53.18% (251/221)
52.03% (1138/1049)	Sets Win/Loss	51.93% (565/523)
51.55% (10224/9609)	Games Win/Loss	50.58% (5026/4911)
55.08% (390/318)	Hard Win/Loss	57.01% (191/144)
44.68% (42/52)	Clay Win/Loss	46.97% (31/35)
46.61% (55/63)	Indoor Hard W/L	40.00% (14/21)
41.67% (15/21)	Grass Win/Loss	41.67% (15/21)
0.04	Aces Per Game	0.05
382	Aces Total	221
0.17	Double Faults Per Game	0.1
1685	Total Double Faults	505
1st Match	Average Match Time	1:2:42
589.19	Average Opponent Rank	630.82
73% (25716/35366)	1st Serve %	72% (14266/19851)
57% (14593/25716)	1st Serve Win %	56% (8034/14266)
43% (4150/9650)	2nd Serve Win %	46% (2559/5585)
49% (2310/4695)	Break Points Won % (Total)	49% (1186/2413)
47% (16746/35637)	Return Points Win %	46% (8867/19405)
33.33% (8/16)	Slam W/L	30.77% (8/18)
40.00% (2/3)	Masters W/L	55.56% (15/12)
39.13% (18/28)	Main Tour W/L	43.36% (49/64)
52.90% (420/374)	Challenger W/L	58.50% (179/127)
62.07% (54/33)	Futures W/L	0% (0/0)
52% (485/936)	Best of 3 Sets Win %	53% (244/464)
100% (3/3)	Best of 5 Sets Win %	67% (2/3)
44% (72/163)	Tiebreaks Win % (Total)	59% (55/94)
48% (141/291)	Deciding Set Win %	54% (79/146)
84% (504/425)	1st Set Won, Won Match	87% (235/204)
15% (504/77)	1st Set Won, Lost Match	13% (235/30)
15% (451/69)	1st Set Lost, Won Match	19% (237/45)