Polona Hercog vs Elvina Kalieva — Quito 125 Quarter-final

Quito 125 · CHALLENGER · Quarter-final
Polona Hercog
SLO
Polona Hercog
#233WTA
1590ELO
1574Clay ELO
35 yrs · 182 cm · Right-handed
Last 10 · pre-match
LLLWLLLWWW
2 — 0
Sets
Monday, 1 December 2025 ·
clay
USA
Elvina Kalieva
#115WTA
1569ELO
1496Clay ELO
23 yrs · Right-handed
Last 10 · pre-match
WWWLLLWWWL
Hercog P.
6-3 6-1
Kalieva E.
Hercog P.
662
Kalieva E.
310

Polona Hercog defeated Elvina Kalieva 6-3 6-1 in the Quito 125 quarter-final on clay. The upset overturned the form book — Elvina Kalieva came in ranked #115, leading the head-to-head 1–0. Polona Hercog claimed a first win over Elvina Kalieva in two meetings, narrowing the head-to-head to 1–1.

Key context

Head to head

0–1
DateTournamentRoundSurfaceWinnerScore
2021-10-15W60 Rancho Santa FeQFhardElvina Kalieva6-4 6-3

Statistics

This season
Hercog P.Kalieva E.
1st serve in·Slight edge
64%
57%
1st serve points won·Even
66%
64%
2nd serve points won·Even
48%
45%
Service points won·Even
59%
56%
Return points won·Even
45%
45%
Break points saved·Even
55%
51%
Aces / match·Slight edge
2.3
3.2
Double faults / match·Dominant
2.4
4.1

Averages over each player's completed matches in the selected window (62 vs 146). ATP, WTA & Challenger.

Clutch

Under pressure
Hercog P.Kalieva E.
Clutch Rating·Slight edge
10
18
Break points saved·Even
25
28
Break points won·Clear edge
73
87
Deciding sets·Dominant
5
36
Tiebreaks·Slight edge
6
15

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Freshness

Recent load
Hercog P.Kalieva E.
Freshness·Dominant
93
54

Hercog P.: 4 days rest · 1 match, 18 games (7d) · Kalieva E.: 1 day rest · 3 matches, 82 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast

Draw