Match Info

WTA - SINGLES: Sao Paulo, hard - Quarter-finals

Date: 18 September 2026, Friday


	Teodora Kostovic		Kaitlin Quevedo

	1	2
	2.20	1.67	Watch
	2.15	1.67
	2.23	1.66
	2.23	1.66	Watch
	2.18	1.71
	2.22	1.68	Watch
	2.15	1.63
Avarage Now (Initially)	2.19 ↑ (2.12)	1.67 ↓ (1.7)

The most likely Over/Under: 21.50

The best margin for this event is 4.4%, offered by

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Current Win Probability

Teodora Kostovic
43.2%

Kaitlin Quevedo
56.8%

Initial Probability

(when we started the analysis)

44.5%

55.5%

Our Initial ML Estimation

42.4%

57.6%

Analysis of Changes in Winning Probabilities:

Teodora Kostovic has seen a decrease in its chances compared to the initial analysis. (-1.3%)

Kaitlin Quevedo has improved its chances compared to the initial analysis. (+1.3%)

ML Model estimates a lower probability for Teodora Kostovic than the current prediction. (-0.8%)

ML Model estimates a higher probability for Kaitlin Quevedo than the current prediction. (+0.8%)

Who will win by Users?

1	X	2
0%	0%	100%

Teodora Kostovic - Kaitlin Quevedo Predictions

Users Predictions: Kaitlin Quevedo will win (5 of 5 users predict this - 100%).
Confidence interval (95%): 100% – 100%.

Expected Score (Market Odds): 0:2

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Preview

Kostovic is ranked WTA: 186., and Quevedo is ranked WTA: 105..

The recent form of both competitors has been marked by mixed results.

Kostovic could enjoy a physical edge thanks to more rest days ahead of this match.

The probabilities of winning are closely matched between the two contenders.

In the last 1 head-to-head meeting, Kostovic has recorded 0 wins, 0 draws, and 1 loss, with a goal aggregate of 1:2.

Last Results with these Odds

Kaitlin Quevedo - the odds 1.7 are the expected chance of winning is 55.5%, but this team recently wins 33% of matches with these odds.

Form

✺ - easy match; ✺ - difficult match;

- Teodora Kostovic
WTA Sao Paulo
16.09.26	Darja Semenistaja - Teodora Kostovic	0:2 ✺
15.09.26	Teodora Kostovic - Victoria Luiza Barros	2:0 ✺
WTA US Open
25.08.26	Arantxa Rus - Teodora Kostovic	2:1 ✺
ATP Challenger
03.08.26	Teodora Kostovic - Martyna Kubka	1:2 ✺
ITF Tournaments
26.07.26	Vivian Wolff - Teodora Kostovic	0:2 ✺
Form Coefficient (based on results and difficulties of last matches) - 4.8 WWLLW
- Kaitlin Quevedo
WTA Sao Paulo
17.09.26	Nauhany Vitoria Leme Da Silva - Kaitlin Quevedo	0:2 ✺
16.09.26	Whitney Osuigwe - Kaitlin Quevedo	Canceled ✺
15.09.26	Leolia Jeanjean - Kaitlin Quevedo	Canceled ✺
ATP Challenger
10.09.26	Kaitlin Quevedo - Claire Liu	0:2 ✺
09.09.26	Kaitlin Quevedo - Sara Sorribes Tormo	2:1 ✺
Form Coefficient (based on results and difficulties of last matches) - 4.9 W??LW

Latest Head to Head

WTA Roland Garros
20.05.26	Teodora Kostovic - Kaitlin Quevedo	1:2

Teodora Kostovic - Kaitlin Quevedo: Predictions, Live Scores & TV Guide