Kimberly Birrell vs Sijia WeiBirmingham 125 Round of 16

Birmingham 125 · CHALLENGER · Round of 16
#83WTA
1752ELO
1612Grass ELO
28 yrs · 170 cm · Right-handed
Last 10
LWLLLWWLLW
0 — 0
Sets
Monday, 2 June 2025
grass
#361WTA
1442ELO
1371Grass ELO
22 yrs · Right-handed
Last 10
LWLLLWWLWL

Umpiry Score

Pre-match
6.1
Even matchUmpiry Score
  • Surface jump clay↔grass (−0.8)
3.8
Heavy underdogUmpiry ScorePartial · surface data limited
  • Surface jump clay↔grass (−0.8)
Form & Matchup
8.2+241 Grass Elo edge
Surface ELO
1.8Grass Elo 1371
9.2Overall Elo 1752
ELO gap
0.8Overall Elo 1442
5.0
H2H
5.0
7.7
Surface form
0.0Lost last 4
Win streak
0.0Lost last 6
Fatigue & Travel
3.0
Surface transition
3.0
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.

Birrell K.
762
Wei S.
52

Head to head

10
DateTournamentRoundSurfaceWinnerScore
2023-10-16NanchangR32hardKimberly Birrell7-5 7-5

Statistics

Recent form
64%1st serve in+4%60%
64%1st serve points won+1%63%
43%2nd serve points won+4%47%
56%Service points won+1%57%
46%Return points won+3%43%
58%Break points saved+3%55%
1.9Aces / match+0.51.4
5.5Double faults / match+2.92.6

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