Erika Sema vs Ai Yamaguchi Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
E. Sema vs A. Yamaguchi
Erika Sema
JPN
l
l
w
w
l
l
w
l
w
l
1
Win
1
Played
0
Win
37
Age
23
-
Height
-
597
C. Rank
0
114
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$117.4K
Career Money
$0
-
Plays
-
Ai Yamaguchi
JPN
l
l
l
l
w
l
l
l
w
l
1
Win
1
Played
0
Win
37
Age
23
-
Height
-
597
C. Rank
0
114
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$117.4K
Career Money
$0
-
Plays
-
Head-to-head: Sema 1 - 0 Yamaguchi
They have played 2 sets in total, with Erika Sema winning 2 and Ai Yamaguchi winning 0. The last match between Erika Sema and Ai Yamaguchi was at the W60 Fukuoka, 10-05-2023, Round: R1, Surface: Carpet, with Erika Sema getting the victory 6-0 6-2.
| Players | Head To Head Match Wins |
|---|---|
| Sema | 1 |
| Yamaguchi | 0 |
Last 1 H2H Matches:
(R1) W60 Fukuoka(05-10-23)
Erika Sema
6
6
Ai Yamaguchi
0
2
E. Sema vs A. Yamaguchi H2H Profile
| Stats | ||
|---|---|---|
| $117,356 | Career Prize Money | $0 |
| 52.40% (502-456) | Career Total W/L | 38.81% (26-41) |
| 1 | Indoor | 0 |
| 11 | Titles | 0 |
| 1 | Total H2H Matches | 0 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
E. Sema vs A. Yamaguchi Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Erika Sema has won 36.52% of points on their second serve, while Ai Yamaguchi 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 52.86% of their opponent's second serve points, while Ai Yamaguchi has won 0%. The same stats for first serve returns are 35.47% 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 47.71% of breakpoints in recent form, whereas Ai Yamaguchi has saved 0% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Erika Sema has won 52.83% of matches played (W/L 28/25), with Ai Yamaguchi winning 33.33% (W/L 1/2) 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 390/319), and worse career win % on Grass, winning 42% (W/L 15/21). Ai Yamaguchi has their best career surface win % on Grass, winning 55% (W/L 3/3), and worse career win % on I.hard, winning 0% (W/L 0/1).
- Player level: In the last year, Erika Sema has played most of their matches on the Challengers/ITF tournaments > $10K, winning 51.22% of matches (W/L 21/20), where as Ai Yamaguchi has played most of their matches on the Challengers/ITF tournaments > $10K, winning 33.33% of matches (W/L 1/2). 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 1 times before with Erika Sema winning 1 times and Ai Yamaguchi being victorious 0 times. They have played 2 sets in total, with Erika Sema winning 2 and Ai Yamaguchi winning 0.
- The last match between Erika Sema and Ai Yamaguchi was at the W60 Fukuoka, 10-05-2023, Round: R1, Surface: Carpet, with Erika Sema getting the victory 6-0 6-2.
- Head to head match duration: In past head to head matches, the average match time between these players has been 0:54:0.
- Opponent quality stats: Over the last 12 months, Erika Sema has played against opponents with an average rank of 415.25 while Ai Yamaguchi has played against players with an average rank of 298.67.
- 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 Ai Yamaguchi has won 50% in all matches played on tour.
- Break point conversion: In recent form, Erika Sema has converted 42.20% of breakpoint opportunities, and Ai Yamaguchi 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 Ai Yamaguchi Editorial Preview By TennisTipster88.
E. Sema vs A. Yamaguchi H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 12 | Games Won | 2 |
| 1 | Aces (Total) | 1 |
| 2 | Total Double Faults | 4 |
| 0:54:0 | Average Match Time | 0:54:0 |
| 56% (19/34) | 1st Serve % | 58% (21/36) |
| 68% (13/19) | 1st Serve Win % | 33% (7/21) |
| 80% (12/15) | 2nd Serve Win % | 13% (2/15) |
| 75% (6/8) | Break Pts Won % | 100% (1/1) |
| 75% (27/36) | Return Points Win % | 26% (9/34) |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Sema 41%, Yamaguchi 32%.
Opp 2nd Serve Pts Won: Sema 61%, Yamaguchi 58%.
Break Points Saved %: Sema 48%, Yamaguchi 62%.
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 | ||
A. Yamaguchi Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| W50 Kurume - 12-05-2025 | ||||
Q1  Unknown PlayerU. Player | L | 3-6 1-3 ret. | ||
| W35 Fukuoka - 05-05-2025 | ||||
Q1 Ramu UedaR. Ueda | W | 6-4 5-7 10-2 | ||
Q3 Yui OhwakiY. Ohwaki | L | 3-6 6-3 10-8 | ||
| W35 Makinohara - 28-10-2024 | ||||
Q1 Seri NayukiS. Nayuki | L | 7-6(4) 7-6(4) | ||
| W15 Sapporo - 22-07-2024 | ||||
Q3  On Yu ChoiO. Yu | L | 6-0 6-1 | ||
E. Sema vs A. Yamaguchi Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 52.46% (502/455) | YTD Win/Loss | 38.81% (26/41) |
| 51.99% (1138/1051) | Sets Win/Loss | 42.66% (61/82) |
| 51.53% (10227/9621) | Games Win/Loss | 46.35% (584/676) |
| 55.01% (390/319) | Hard Win/Loss | 42.22% (19/26) |
| 44.68% (42/52) | Clay Win/Loss | 16.67% (1/5) |
| 46.61% (55/63) | Indoor Hard W/L | 30.00% (3/7) |
| 41.67% (15/21) | Grass Win/Loss | 50.00% (3/3) |
| 0.04 | Aces Per Game | 0.04 |
| 383 | Aces Total | 23 |
| 0.17 | Double Faults Per Game | 0.22 |
| 1688 | Total Double Faults | 134 |
| 1st Match | Average Match Time | 1st Match |
| 589.17 | Average Opponent Rank | 362.3 |
| 73% (25744/35410) | 1st Serve % | 63% (1315/2101) |
| 57% (14605/25744) | 1st Serve Win % | 59% (770/1315) |
| 43% (4158/9666) | 2nd Serve Win % | 41% (319/786) |
| 49% (2311/4699) | Break Points Won % (Total) | 43% (102/238) |
| 47% (16759/35681) | Return Points Win % | 43% (889/2073) |
| 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) |
| 52.83% (420/375) | Challenger W/L | 34.62% (9/17) |
| 62.07% (54/33) | Futures W/L | 41.46% (17/24) |
| 52% (485/937) | Best of 3 Sets Win % | 39% (26/66) |
| 100% (3/3) | Best of 5 Sets Win % | 0% (0/0) |
| 44% (72/163) | Tiebreaks Win % (Total) | 50% (3/6) |
| 48% (141/291) | Deciding Set Win % | 22% (2/9) |
| 84% (504/425) | 1st Set Won, Won Match | 84% (31/26) |
| 15% (504/77) | 1st Set Won, Lost Match | 16% (31/5) |
| 15% (452/69) | 1st Set Lost, Won Match | 3% (36/1) |
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