Match Info

CHALLENGER WOMEN - SINGLES: Les Sables d'Olonne, hard - Quarter-finals

Date: 20 February 2026, Friday


	Sofia Costoulas		Fiona Ferro

	1	2
	1.73	2	Watch
	1.74	1.98	Watch
	1.82	2.02
	1.98	1.75	Watch
	1.73	2
	1.75	1.94	Watch
	1.8	1.94
Avarage Now (Initially)	1.79 ↑ (1.73)	1.95 ↓ (2)

The best margin for this event is 4.5%, offered by

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Current Win Probability

Sofia Costoulas
52.1%

Fiona Ferro
47.9%

Initial Probability

(when we started the analysis)

53.7%

46.3%

Our Initial ML Estimation

54.2%

45.8%

Analysis of Changes in Winning Probabilities:

Sofia Costoulas has seen a decrease in its chances compared to the initial analysis. (-1.6%)

Fiona Ferro has improved its chances compared to the initial analysis. (+1.6%)

ML Model estimates a higher probability for Sofia Costoulas than the current prediction. (+2.1%)

ML Model estimates a lower probability for Fiona Ferro than the current prediction. (-2.1%)

Who will win by Users?

1	X	2
70%	0%	30%

Sofia Costoulas - Fiona Ferro Predictions

Users Predictions: 10 users predict this event. Costoulas will win (votes: 7 - 70%). Ferro will win (votes: 3 - 30%).
Confidence interval (95%) for Costoulas: 41.6% – 98.4%.

Verified Performance Core (Selected Experts): 5 Selected Experts predict this event. Costoulas (votes: 2 - 40%). Ferro (votes: 3 - 60%).

Expected Score (Market Odds): 2:0

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Preview

Costoulas is ranked WTA: 143. Ferro is ranked WTA: 240.

Costoulas is currently in amazing form (last 5 games: 4 wins).

Ferro's form has been unstable in recent games (in the last 5 games, wins – 3).

Ferro may face physical challenges compared to their opponent, as they have played more matches in recent days.

The chances of victory for both players are nearly identical in this match.

Recently, there has been no match between the players.

Form

✺ - easy match; ✺ - difficult match;

- Sofia Costoulas
ATP Challenger
18.02.26	Sofia Costoulas - Astrid Lew Yan Foon	2:0 ✺
16.02.26	Sofia Costoulas - Chloe Paquet	2:0 ✺
29.01.26	Tatiana Prozorova - Sofia Costoulas	2:1 ✺
27.01.26	Sofia Costoulas - Yexin Ma	2:0 ✺
26.01.26	Sofia Costoulas - Viktoria Morvayova	2:1 ✺
Form Coefficient (based on results and difficulties of last matches) - 6.2 WWLWW
- Fiona Ferro
ATP Challenger
19.02.26	Kristina Mladenovic - Fiona Ferro	Mladenovic K. retired ✺
18.02.26	Fiona Ferro - Lucrezia Stefanini	2:0 ✺
WTA Ostrava
04.02.26	Fiona Ferro - Nikola Bartunkova	1:2 ✺
02.02.26	Brenda Fruhvirtova - Fiona Ferro	0:2 ✺
01.02.26	Fiona Ferro - Laura Pigossi	2:0 ✺
Form Coefficient (based on results and difficulties of last matches) - 5.3 ?WLWW

Sofia Costoulas - Fiona Ferro: Predictions, Live Scores & TV Guide