Sofia Costoulas vs Darja SemenistajaRovereto 125 Quarter-final

Rovereto 125 · CHALLENGER · Quarter-final
#157WTA
1565ELO
1569Hard ELO
21 yrs
Last 10 · pre-match
LLLWWLWLWW
2 — 1
Sets
Monday, 20 October 2025
hard
#103WTA
1654ELO
1568Hard ELO
23 yrs · 169 cm · Left-handed
Last 10 · pre-match
LLLLWWLWLW
Costoulas S.
4-6 6-3 6-3
Semenistaja D.
Costoulas S.
4662
Semenistaja D.
6331

Sofia Costoulas defeated Darja Semenistaja 4-6 6-3 6-3 in the Rovereto 125 quarter-final on hard. The upset overturned the form book — Darja Semenistaja came in ranked #103.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Costoulas S.serving56% hold

wins 53% of points on serve vs Semenistaja D.

Semenistaja D.serving51% hold

wins 51% of points on serve vs Costoulas S.

Baseline battle — serve is shaky, expect plenty of breaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Statistics

This season
1st serve in·Even
61%
65%
1st serve points won·Slight edge
69%
61%
2nd serve points won·Even
47%
48%
Service points won·Even
60%
56%
Return points won·Even
45%
47%
Break points saved·Even
58%
54%
Aces / match·Slight edge
3.3
1.9
Double faults / match·Slight edge
2.1
1.5

Averages over each player's completed matches in the selected window (99 vs 110). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Slight edge
83
76
Break points saved·Dominant
83
52
Break points won·Clear edge
82
96
Deciding sets·Even
96
94
Tiebreaks·
98

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

Umpiry Score

Pre-match
6.3
Marginal edgeUmpiry Score
6.9
Slight advantageUmpiry Score
Form & Matchup
5.4+1 Hard Elo edge
Surface ELO
4.6Hard Elo 1568
4.8Overall Elo 1565
ELO gap
5.2Overall Elo 1654
5.0No prior meetings
H2H
5.0
6.1
Surface form
8.7
Win streak
9.06-match win streak
Fatigue & Travel
3-set count
0.0
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.

Freshness

Recent load
Freshness·Slight edge
100
94

Costoulas S.: 21 days rest · Semenistaja D.: 8 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast