Prediction of Erika Sema vs Hirono Watanabe Head-to-Head, At

Wojtek Kolan

Our Predictions

H2H Records Career Stats

HEAD TO HEAD
E. Sema vs H. Watanabe

Erika Sema

JPN

1

Win

Played

1

Win

Age

Height

604

C. Rank

Ret.

114

Best Rank

714

Total Titles

YTD Titles

$117.4K

Career Money

Plays

Hirono Watanabe

JPN

1

Win

Played

1

Win

Age

Height

604

C. Rank

Ret.

114

Best Rank

714

Total Titles

YTD Titles

$117.4K

Career Money

Plays

Head-to-head: Sema 1 - 1 Watanabe

They have played 5 sets in total, with Erika Sema winning 3 and Hirono Watanabe winning 2. The last match between Erika Sema and Hirono Watanabe was at the Niigata, 23-05-2011, Round: R2, Surface: Hard, with Erika Sema getting the victory 6-1 6-1.

Players	Head To Head Match Wins
Sema	1
Watanabe	1

Last 2 H2H Matches:

(R2) Niigata(05-23-11)

Stats

Erika Sema

Hirono Watanabe

(R1) Gifu(04-25-11)

Stats

Hirono Watanabe

Erika Sema

E. Sema vs H. Watanabe H2H Profile

E. Sema	Stats	H. Watanabe
$117,356	Career Prize Money	$0
52.41% (501-455)	Career Total W/L	48.45% (94-100)
1	Hard	1
11	Titles	0
1	Total H2H Matches	1
0% (0-0)	YTD Win/Loss	0% (0-0)

E. Sema vs H. Watanabe Match Preview:

Second serve performance recent form: In recent form (last 6 months), Erika Sema has won 36.23% of points on their second serve, while Hirono Watanabe 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 53.68% of their opponent's second serve points, while Hirono Watanabe has won 0%. The same stats for first serve returns are 35.65% 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 48.93% of breakpoints in recent form, whereas Hirono Watanabe has saved 0% which is a useful statistic for in-game betting predictions.
Performance overview: Over the last year Erika Sema has won 52.94% of matches played (W/L 27/24), with Hirono Watanabe 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 389/318), and worse career win % on Grass, winning 42% (W/L 15/21). Hirono Watanabe has their best career surface win % on I.hard, winning 55% (W/L 8/6), and worse career win % on Clay, winning 33% (W/L 4/8).
Player level: In the last year, Erika Sema has played most of their matches on the Challengers/ITF tournaments > $10K, winning 51.28% of matches (W/L 20/19), where as Hirono Watanabe 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 2 times before with Erika Sema winning 1 times and Hirono Watanabe being victorious 1 times. They have played 5 sets in total, with Erika Sema winning 3 and Hirono Watanabe winning 2.
The last match between Erika Sema and Hirono Watanabe was at the Niigata, 23-05-2011, Round: R2, Surface: Hard, with Erika Sema getting the victory 6-1 6-1.
Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
Opponent quality stats: Over the last 12 months, Erika Sema has played against opponents with an average rank of 408.1 while Hirono Watanabe 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 56% of deciding sets over the last 12 months, while Hirono Watanabe has won 0% in all matches played on tour.
Break point conversion: In recent form, Erika Sema has converted 44.62% of breakpoint opportunities, and Hirono Watanabe 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 Hirono Watanabe Editorial Preview By TennisTipster88.

E. Sema vs H. Watanabe H2H Stats Used In Our Predictions

E. Sema	Stats	H. Watanabe
1	H2H Matches Won	1
3	Sets Won	2
24	Games Won	15
0:0:0	Average Match Time	0:0:0
50% (1/2)	Best‑of‑3 Win %	50% (1/2)
0% (0/1)	Deciding Set Win %	100% (1/1)
50% (1/2)	1st Set Won, Won Match	0% (0/0)
50% (1/2)	1st Set Won, Lost Match	0% (0/0)
0% (0/0)	1st Set Lost, Won Match	50% (1/2)

Recent Performance Stats

E. Sema Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
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
QF Elena MicicE. Micic	W	w/o	Stats

View All

H. Watanabe Recent Matches Played

OPPONENT	RESULT	SCORE	H2H
Iizuka - 26-09-2016
Q1 Mei YamaguchiM. Yamaguchi	L	6-1 6-2	Stats
Kyoto - 05-09-2016
QF Haruna ArakawaH. Arakawa	L	6-1 6-2	Stats
R2 Yurina KoshinoY. Koshino	W	6-4 6-2	Stats
R1 Ayumi KoshiishiA. Koshiishi	W	3-6 7-5 6-0	Stats
Noto - 29-08-2016
Q1 Ayumi KoshiishiA. Koshiishi	L	6-2 6-0	Stats

View All

E. Sema vs H. Watanabe Stats Breakdown Vs All H2H Opponents

E. Sema	Stats	H. Watanabe
52.46% (501/454)	YTD Win/Loss	48.45% (94/100)
52.01% (1136/1048)	Sets Win/Loss	48.62% (212/224)
51.54% (10209/9600)	Games Win/Loss	49.62% (1881/1910)
55.02% (389/318)	Hard Win/Loss	50.77% (66/64)
44.68% (42/52)	Clay Win/Loss	33.33% (4/8)
46.61% (55/63)	Indoor Hard W/L	51.43% (18/17)
41.67% (15/21)	Grass Win/Loss	35.29% (6/11)
0.04	Aces Per Game	0
379	Aces Total	2
0.17	Double Faults Per Game	0.01
1678	Total Double Faults	16
1st Match	Average Match Time	1st Match
589.1	Average Opponent Rank	532.35
73% (25614/35233)	1st Serve %	69% (242/350)
57% (14535/25614)	1st Serve Win %	55% (132/242)
43% (4138/9619)	2nd Serve Win %	37% (40/108)
49% (2303/4678)	Break Points Won % (Total)	46% (16/35)
47% (16682/35492)	Return Points Win %	44% (151/341)
33.33% (8/16)	Slam W/L	0% (0/0)
40.00% (2/3)	Masters W/L	0% (0/0)
39.13% (18/28)	Main Tour W/L	0% (0/0)
52.84% (419/374)	Challenger W/L	47.06% (32/36)
62.07% (54/33)	Futures W/L	49.21% (62/64)
52% (484/935)	Best of 3 Sets Win %	48% (91/190)
100% (3/3)	Best of 5 Sets Win %	100% (1/1)
44% (72/163)	Tiebreaks Win % (Total)	61% (19/31)
48% (140/290)	Deciding Set Win %	47% (24/51)
84% (504/425)	1st Set Won, Won Match	84% (92/77)
15% (504/77)	1st Set Won, Lost Match	16% (92/15)
15% (450/68)	1st Set Lost, Won Match	16% (101/16)