TucumanClayQuarter-finals8 Nov 2025 · 01:10
S. Sierra
#78 · Argentina
VS
O. Oliynykova
#68 · Ukraine
SIERRA
1.79
·
OLIYNYKOVA
2.06

Odds

Market
Sierra
Oliynykova
Winner
1.79
2.06

Player analysis

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

O. Oliynykova has been inconsistent recently, going 3–2 over the last five matches. Point margins have been modest — DS averaging +5.9. Wins have been functional rather than dominant. The serve has been a concern — averaging only 5.4/10, leaving O. Oliynykova vulnerable on second serve and facing frequent return pressure. Break point efficiency is a red flag — O. Oliynykova has been losing the important points, with a BP efficiency of -11 over recent matches.

DS 5.88Trend mixed

Recent form

Clay court stats

Sierra
Stat
Oliynykova
72.3%
Win rate
68.2%
149–57
W–L
165–77

Avg stats — last 5

1st serve %60%
1st serve won60%
2nd serve won40%
BP converted50%
BP saved50%
Aces3
Double faults4
1st serve %70%
1st serve won60%
2nd serve won40%
BP converted50%
BP saved40%
Aces2
Double faults4