Sofia Costoulas vs Gabriela Andrea Knutson — W50 Nantes Round of 16

W50 Nantes · CHALLENGER · Round of 16
BEL
Sofia Costoulas
#157WTA
1565ELO
1569Hard ELO
21 yrs
Last 10 · pre-match
LLLWWLWLWW
2 — 1
Sets
Monday, 31 March 2025
hard
CZE
Gabriela Andrea Knutson
1518ELO
1467Hard ELO
29 yrs · 175 cm · Right-handed
Last 10 · pre-match
WLLWLWLWLW
Costoulas S.
4-6 6-1 6-4
Knutson G.
Costoulas S.
4662
Knutson G.
6141

Sofia Costoulas defeated Gabriela Andrea Knutson 4-6 6-1 6-4 in the W50 Nantes round of 16 on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Costoulas S.serving66% hold

wins 56% of points on serve vs Knutson G.

Knutson G.serving54% hold

wins 52% 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
Costoulas S.Knutson G.
1st serve in·Even
61%
59%
1st serve points won·Even
69%
66%
2nd serve points won·Even
47%
44%
Service points won·Even
60%
57%
Return points won·Even
45%
43%
Break points saved·Even
58%
57%
Aces / match·Even
3.3
3.0
Double faults / match·Dominant
2.1
4.4

Averages over each player's completed matches in the selected window (99 vs 88). ATP, WTA & Challenger.

Clutch

Under pressure
Costoulas S.Knutson G.
Clutch Rating·Dominant
83
54
Break points saved·Even
83
80
Break points won·Clear edge
82
69
Deciding sets·Clear edge
96
83
Tiebreaks·
—
12

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

Umpiry Score

Pre-match
Costoulas S.
5.6
Slight disadvantageUmpiry Score
  • Recent retirement (−1.5)
Knutson G.
4.4
Heavy underdogUmpiry Score
  • Recent retirement (−1.5)
Form & Matchup
6.7+102 Hard Elo edge
Surface ELO
3.3Hard Elo 1467
6.4Overall Elo 1565
ELO gap
3.6Overall Elo 1518
5.0No prior meetings
H2H
5.0
8.4
Surface form
6.5
0.0
Win streak
Fatigue & Travel
3-set count
7.0
8.0
Surface transition
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
Costoulas S.Knutson G.
Freshness·Clear edge
100
80

Costoulas S.: 21 days rest · Knutson G.: 1 day rest · 1 match, 26 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast

Draw

Final
Gibson T.
Curmi F.
3-67-56-1
Semi-finals
Curmi F.
Costoulas S.
6-31-66-4
Gibson T.
Miyazaki Y.
6-36-1
Quarter-finals
Costoulas S.
Cabaj Awad J.
6-26-1
Curmi F.
Friedsam A.
6-17-64
Miyazaki Y.
Tan H.
7-56-2
R16
Miyazaki Y.
Munk Mortensen R.
6-13-66-2
Gibson T.
Podrez V.
6-46-2
Curmi F.
Kaji H.
7-666-1
Tan H.
Kubka M.
6-26-1
Pohankova M.
Belgraver J.
6-36-3
Cabaj Awad J.
Ponchet J.
6-46-2
Costoulas S.
Knutson G.
4-66-16-4
Friedsam A.
Leonard M.
6-37-64
R32
Podrez V.
Rushiti A.
6-36-1
Miyazaki Y.
Fiquet T.
6-16-4
Belgraver J.
Ryser V.
6-36-1
Kubka M.
Avdeeva J.
6-16-4
Friedsam A.
Robbe A.
6-25-76-3
Pohankova M.
Hesse A.
7-56-4
Leonard M.
Martincova T.
4-66-36-1
Costoulas S.
Pawlak L.
6-36-3
Cabaj Awad J.
Martial A.
6-06-0
Curmi F.
Noel M.
6-16-4
Gibson T.
Zaar L.
6-26-2
Knutson G.
Hule P.
6-36-2
Ponchet J.
Vandromme J.
6-17-5
Kaji H.
Hruncakova V.
6-13-66-3
Tan H.
Abe H.
6-36-4
Munk Mortensen R.
Jamrichova R.
7-56-4