Sijia Wei vs Ayumi Koshiishi Head-to-Head Stats, Results & Performance Comparison

Wojtek Kolan

Wojtek Kolan

Published on 14 Nov at 02:46 AM UTC

HEAD TO HEAD

S. Wei vs A. Koshiishi

Sijia Wei
Sijia Wei

Flag CHN CHN

l
l
l
w
w
w
w
l
w
l
Ayumi Koshiishi
Ayumi Koshiishi

Flag JPN JPN

l
w
w
l
l
w
w
l
w
l

1

Win

2

Played

1

Win

21
Age
25
-
Height
-
206
C. Rank
444
114
Best Rank
367
0
Total Titles
0
0
YTD Titles
0
$319.7K
Career Money
$0
-
Plays
-

Head-to-head: Wei 1 - 1 Koshiishi

They have played 4 sets in total, with Sijia Wei winning 2 and Ayumi Koshiishi winning 2. The last match between Sijia Wei and Ayumi Koshiishi was at the W50 Brisbane, 14-11-2025, Round: QF, Surface: Hard, with Sijia Wei getting the victory 6-1 6-2.

PlayersHead To Head Match Wins
Wei1
Koshiishi1
Last 2 H2H Matches:

(QFW50 Brisbane(11-14-25)

Hard
CHN Flag
Sijia Wei
6
6
JPN Flag
Ayumi Koshiishi
1
2

(R2W15 Monastir(05-19-22)

Hard
JPN Flag
Ayumi Koshiishi
6
6
CHN Flag
Sijia Wei
4
1

S. Wei vs A. Koshiishi H2H Profile

Stats
$319,660Career Prize Money$0
64.43% (192-106)Career Total W/L62.03% (294-180)
1Hard1
10Titles8
1Total H2H Matches1
0.00% (0-5)YTD Win/Loss0% (0-0)

S. Wei vs A. Koshiishi Match Preview:

  • Recent performance shows Sijia Wei winning 41.86% of second serve points, outperforming Ayumi Koshiishi's 37.37%. Does this give Wei an edge? It's possible.
  • In returning games, Koshiishi has a slight advantage, winning 48.72% of opponents' second serve points compared to Wei's 46.55%.
  • When it comes to first serve return performance, Ayumi Koshiishi again leads with 35.20% against Sijia Wei's 33.18%.
  • Under pressure, Sijia Wei excels, saving 50.67% of breakpoints, while Ayumi Koshiishi saves just 42.86%, reflecting Wei's ability to handle crucial moments better.
  • Over the last year, Koshiishi has a better overall win rate of 51.56% compared to Wei's 48.98%.
  • On indoor hard courts, both players excel, with Wei and Koshiishi both achieving their highest win percentages, though Koshiishi's experience on hard courts is extensive.
  • Both players predominantly participate in Challengers/ITF tournaments, but Koshiishi has a slight edge in win percentages at this level, with 51.56% compared to Wei's 50.00%.
  • Previous encounters favor Ayumi Koshiishi, who has won their only head-to-head match, played on a hard court.
  • In deciding sets, Ayumi Koshiishi has a higher success rate, winning 63% of third sets compared to Wei's 54%, indicating better performance in high-pressure situations.
  • Regarding break point conversion, Sijia Wei is more effective, converting 43.48% of opportunities against Koshiishi's 38.05%.
  • Despite playing against generally higher-ranked opponents, Koshiishi's experience and match history may suggest an edge in this matchup.

Editorial Prediction (November 14, 2025, UTC):

As the upcoming match approaches, the statistics offer insightful comparisons between Sijia Wei and Ayumi Koshiishi.

Sijia Wei has demonstrated competence in second serve performance and breakpoint opportunities, implying a solid game when under pressure.

Conversely, Ayumi Koshiishi exhibits strength in return games and has the edge in personal encounters, having already triumphed over Wei on a hard court.

Given Koshiishi's superior record in deciding sets and her slightly better overall win percentage, she is arguably more poised to win their upcoming match.

Thus, based on both statistical analysis and previous results, Ayumi Koshiishi is the likely favorite to emerge victorious in the impending contest.

Sijia Wei vs Ayumi Koshiishi Editorial Preview By TennisTipster88.

S. Wei vs A. Koshiishi H2H Stats Used In Our Predictions

Stats
1H2H Matches Won1
2Sets Won2
17Games Won15
4Aces (Total)0
2Total Double Faults6
1:15:51Average Match Time1:15:51
72% (66/92)1st Serve %63% (74/118)
53% (35/66)1st Serve Win %53% (39/74)
54% (14/26)2nd Serve Win %48% (21/44)
62% (8/13)Break Pts Won %88% (7/8)
49% (58/118)Return Points Win %47% (43/92)
50% (1/2)Best‑of‑3 Win %50% (1/2)
100% (1/1)1st Set Won, Won Match100% (1/1)
0% (0/1)1st Set Won, Lost Match0% (0/1)
0% (0/1)1st Set Lost, Won Match0% (0/1)

Recent Performance Stats

2nd Serve Win %: Wei 46%, Koshiishi 43%.
Opp 2nd Serve Pts Won: Wei 55%, Koshiishi 57%.
Break Points Saved %: Wei 53%, Koshiishi 48%.

S. Wei Recent Matches Played

OPPONENTRESULTSCOREH2H
HardW75 Sydney - 17-11-2025

R2

CHNF. Tian
L
6-1 6-2

R1

KORB. Jeong
W
6-2 6-3
HardW50 Brisbane - 10-11-2025

F

GBRK. Swan
L
3-6 6-3 6-3

SF

AUST. Preston
W
6-4 7-6(7)

QF

JPNA. Koshiishi
W
6-1 6-2

A. Koshiishi Recent Matches Played

OPPONENTRESULTSCOREH2H
HardW75 Sydney - 17-11-2025

Q3

TPEY. Yang
L
6-3 6-4

Q1

AUSG. Isabella
W
6-0 6-2
HardW50 Brisbane - 10-11-2025

QF

CHNS. Wei
L
6-1 6-2

R2

RUSA. Varaksina
W
6-2 7-6(5)

R1

AUSP. Hule
W
6-3 6-2
banner

S. Wei vs A. Koshiishi Stats Breakdown Vs All H2H Opponents

Stats
64.43% (192/106)YTD Win/Loss62.03% (294/180)
62.40% (410/247)Sets Win/Loss60.59% (638/415)
55.74% (3310/2628)Games Win/Loss54.90% (5126/4211)
67.32% (171/83)Hard Win/Loss63.51% (221/127)
38.10% (8/13)Clay Win/Loss63.41% (26/15)
71.43% (10/4)Indoor Hard W/L55.29% (47/38)
33.33% (3/6)Grass Win/Loss0% (0/0)
0.19Aces Per Game0.18
555Aces Total830
0.32Double Faults Per Game0.29
928Total Double Faults1339
1:21:33Average Match Time1:15:56
418.01Average Opponent Rank510.19
58% (9823/17044)1st Serve %60% (13743/22857)
64% (6332/9823)1st Serve Win %61% (8447/13743)
48% (3442/7221)2nd Serve Win %45% (4109/9113)
50% (1137/2276)Break Points Won % (Total)50% (1543/3102)
48% (8199/17138)Return Points Win %48% (10864/22690)
52.94% (9/8)Slam W/L0% (0/0)
16.67% (1/5)Masters W/L0% (0/0)
50.00% (1/1)Cups W/L0% (0/0)
42.86% (9/12)Main Tour W/L0% (0/0)
63.75% (102/58)Challenger W/L52.77% (143/128)
76.09% (70/22)Futures W/L74.38% (151/52)
66% (189/288)Best of 3 Sets Win %62% (287/464)
0% (0/2)Best of 5 Sets Win %100% (2/2)
57% (26/46)Tiebreaks Win % (Total)58% (46/79)
60% (40/67)Deciding Set Win %50% (56/111)
91% (186/170)1st Set Won, Won Match90% (294/264)
9% (186/16)1st Set Won, Lost Match10% (294/29)
19% (112/21)1st Set Lost, Won Match17% (180/30)

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