WTA Billie Jean King Cup - World GroupHard16 Nov 2025 · 16:50
S. Waltert
#91 · Switzerland
VS
S. Sierra
#78 · Argentina

Odds

Market
Waltert
Sierra
Winner

Player analysis

S. Waltert comes into this match in difficult form — 0 wins from the last 5. Point statistics tell a concerning story — average DS of -9.2, meaning S. Waltert has been on the wrong side of most exchanges over five matches. The serve has been a concern — averaging only 5.2/10, leaving S. Waltert vulnerable on second serve and facing frequent return pressure.

DS -9.22Trend mixed

S. Sierra comes into this match in difficult form — 1 wins from the last 5. Point statistics tell a concerning story — average DS of -16.0, meaning S. Sierra has been on the wrong side of most exchanges over five matches. The serve has been a concern — averaging only 5.0/10, leaving S. Sierra vulnerable on second serve and facing frequent return pressure.

DS -16.04Trend mixed

Recent form

Hard court stats

Waltert
Stat
Sierra
56.8%
Win rate
62.3%
83–63
W–L
43–26

Avg stats — last 5

1st serve %60%
1st serve won60%
2nd serve won40%
BP converted30%
BP saved60%
Aces1
Double faults3
1st serve %60%
1st serve won60%
2nd serve won40%
BP converted50%
BP saved50%
Aces3
Double faults4