Prediction of Risa Ozaki vs Erika Sema Head-to-Head, At
Wojtek Kolan
HEAD TO HEAD
R. Ozaki vs E. Sema
Risa Ozaki
JPN
l
w
l
w
l
l
l
w
l
l
2
Win
3
Played
1
Win
31
Age
37
1.63m
Height
-
Ret.
C. Rank
595
70
Best Rank
114
0
Total Titles
0
0
YTD Titles
0
$324.8K
Career Money
$117.4K
Right-Handed
Plays
-
Erika Sema
JPN
l
l
w
w
l
l
w
l
w
l
2
Win
3
Played
1
Win
31
Age
37
1.63m
Height
-
Ret.
C. Rank
595
70
Best Rank
114
0
Total Titles
0
0
YTD Titles
0
$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)
Erika Sema
7
7
Risa Ozaki
5
6
(R1) Burnie(02-02-15)
Risa Ozaki
6
7
Erika Sema
1
6
(R1) Sydney(02-13-12)
Risa Ozaki
7
6
7
Erika Sema
5
7
6
R. Ozaki vs E. Sema H2H Profile
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 36.52%. 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 52.86%. The same stats for first serve returns are 0% and 35.47% 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 47.71% 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 52.83% (W/L 28/25) 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 390/319), 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 51.22% of matches (W/L 21/20). 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 415.32.
- 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 59% 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 42.20% 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
| Stats | ||
|---|---|---|
| 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
2nd Serve Win %: Ozaki 0%, Sema 41%.
Opp 2nd Serve Pts Won: Ozaki 0%, Sema 61%.
Break Points Saved %: Ozaki 0%, Sema 48%.
R. Ozaki Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W25 Yokohama - 02-03-2020 | ||||
R1 Himeno SakatsumeH. Sakatsume | L | 6-4 6-0 | ||
| W25 Hong Kong - 06-01-2020 | ||||
R2 Moyuka UchijimaM. Uchijima | L | 6-4 6-2 | ||
R1  Kwan Yau NgK. Yau | W | 6-2 6-2 | ||
| W25 Hong Kong - 30-12-2019 | ||||
R1  Xiaodi YouX. You | L | 6-3 6-2 | ||
 Taipei OEC Open - Taipei - 11-11-2019 | ||||
R1  Kamilla RakhimovaK. Rakhimova | L | 6-1 6-3 | ||
E. Sema Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W50 Yokohama - 24-11-2025 | ||||
Q3 Ena KoikeE. Koike | L | 6-0 6-3 | ||
Q1 Yuka HosokiY. Hosoki | W | 3-6 6-0 6-3 | ||
| W100 Takasaki - 17-11-2025 | ||||
Q3  Jana KolodynskaJ. Kolodynska | L | 6-0 6-3 | ||
Q1 Kisa YoshiokaK. Yoshioka | W | 6-1 4-6 6-4 | ||
| W35 Hamamatsu - 03-11-2025 | ||||
R1 Sara SaitoS. Saito | L | 6-1 6-2 | ||
R. Ozaki vs E. Sema Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 53.18% (251/221) | YTD Win/Loss | 52.46% (502/455) |
| 51.93% (565/523) | Sets Win/Loss | 51.99% (1138/1051) |
| 50.58% (5026/4911) | Games Win/Loss | 51.53% (10227/9621) |
| 57.01% (191/144) | Hard Win/Loss | 55.01% (390/319) |
| 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 | 383 |
| 0.1 | Double Faults Per Game | 0.17 |
| 505 | Total Double Faults | 1688 |
| 1:2:42 | Average Match Time | 1st Match |
| 631.89 | Average Opponent Rank | 590.19 |
| 72% (14266/19851) | 1st Serve % | 73% (25744/35410) |
| 56% (8034/14266) | 1st Serve Win % | 57% (14605/25744) |
| 46% (2559/5585) | 2nd Serve Win % | 43% (4158/9666) |
| 49% (1186/2413) | Break Points Won % (Total) | 49% (2311/4699) |
| 46% (8867/19405) | Return Points Win % | 47% (16759/35681) |
| 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 | 52.83% (420/375) |
| 0% (0/0) | Futures W/L | 62.07% (54/33) |
| 53% (244/464) | Best of 3 Sets Win % | 52% (485/937) |
| 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% (141/291) |
| 87% (235/204) | 1st Set Won, Won Match | 84% (504/425) |
| 13% (235/30) | 1st Set Won, Lost Match | 15% (504/77) |
| 19% (237/45) | 1st Set Lost, Won Match | 15% (452/69) |
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