Sijia Wei vs Ayumi Koshiishi — W50 Brisbane Quarter-final

W50 Brisbane · CHALLENGER · Quarter-final
CHN
Sijia Wei
#361WTA
1442ELO
1450Hard ELO
22 yrs · Right-handed
Last 10
LWLLLWWLWL
0 — 0
Sets
Monday, 10 November 2025
hard
JPN
Ayumi Koshiishi
#638WTA
1224ELO
1213Hard ELO
25 yrs
Last 10
WWLLLLWLWL

Umpiry Score

Pre-match
Wei S.
5.8
Slight disadvantageUmpiry ScorePartial · surface data limited
Koshiishi A.
5.5
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
5.0
H2H
5.0
2.8
Surface form
2.7
0.0Lost last 2
Win streak
0.0Lost last 4
Fatigue & Travel
9.2
Minutes 14d
3-set count
7.0
9.0
Prev. match
Context
5.0
Defending pts
5.0

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

Wei S.
662
Koshiishi A.
12–

Head to head

0–1
DateTournamentRoundSurfaceWinnerScore
2022-05-16W15 MonastirR16hardAyumi Koshiishi6-4 6-1

Statistics

Recent form
Wei S.Koshiishi A.
59%1st serve in+4%63%
63%1st serve points won+3%60%
48%2nd serve points won+5%43%
57%Service points won+4%53%
42%Return points won+2%44%
55%Break points saved+6%49%
1.4Aces / match+1.32.7
2.8Double faults / match+0.32.5

Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.

Draw

Final
Swan K.
Wei S.
3-66-36-3
Semi-finals
Wei S.
Preston T.
6-47-67
Swan K.
Jones E.
6-22-66-3
Quarter-finals
Preston T.
Kuramochi M.
6-16-3
Wei S.
Koshiishi A.
6-16-2
Swan K.
Aiava D.
6-747-56-3
Jones E.
Yamaguchi M.
7-56-4
R16
Yamaguchi M.
Rokusek S.
7-56-2
Koshiishi A.
Varaksina A.
6-27-65
Kuramochi M.
Inglis M.
6-36-746-3
Preston T.
Da Silva Fick G.
6-16-1
Aiava D.
Imamura S.
6-36-4
Wei S.
Kokkinis T.
3-66-07-5
Jones E.
Zavatska K.
6-33-66-3
Swan K.
Cabrera L.
6-26-4
R32
Swan K.
Barry M.
6-36-1
Cabrera L.
Micic E.
6-46-3
Wei S.
Yamazaki I.
6-46-3
Koshiishi A.
Hule P.
6-36-2
Rokusek S.
Yang Y.
6-04-67-64
Jones E.
Yuan C.
6-46-2
Varaksina A.
Hosogi S.
6-36-3
Yamaguchi M.
Tian F.
2-67-56-1
Zavatska K.
Khan L.
6-36-2
Preston T.
Subasic A.
7-56-3
Da Silva Fick G.
Back D.
6-22-66-4
Kuramochi M.
Bulatova A.
6-46-1
Inglis M.
Lee E.
7-626-3
Imamura S.
Webb S.
1-66-36-4
Kokkinis T.
Jang S.
6-37-63
Aiava D.
Sato N.
6-13-67-65