Over 2.5 sets predictions 13 September 2026

Every best-of-three singles match ranked by the chance that it goes the distance to a third set. Evenly matched players make three-setters; a lopsided pairing usually ends in two.

Chance of a third set, 14 matches

MatchThree sets Two sets
Finished Xiaodi You – Victoria Bosio WTA Sao Paulo, Brazil Women, Singles · final 2–0 50% 50%
Finished Darja Vidmanova – Janice Tjen Guadalajara · final 0–2 50% 50%
Finished Cristina Bucsa – Bianca Andreescu Guadalajara · final 2–0 50% 50%
Finished Hayu Kinoshita – Cadence Brace WTA Sao Paulo, Brazil Women, Singles · final 0–2 50% 50%
Finished Sara Sorribes Tormo – Caroline Dolehide Guadalajara · final 1–2 49% 51%
Finished Maria Florencia Urrutia – Anastasia Tikhonova WTA Sao Paulo, Brazil Women, Singles · final 0–2 49% 51%
Finished Nadiia Kichenok – Nao Hibino Guadalajara · final 0–2 49% 51%
Finished Justina Mikulskyte – Chloe Paquet WTA Sao Paulo, Brazil Women, Singles · final 0–2 49% 51%
Finished Iryna Shymanovich – Lea Ma Guadalajara · final 1–0 49% 51%
Finished Whitney Osuigwe – Anastasia Tikhonova WTA Sao Paulo, Brazil Women, Singles · final 2–0 48% 52%
Finished Panna Udvardy – Lois Boisson Guadalajara · final 2–1 48% 52%
Finished Carole Monnet – Katrina Scott Guadalajara · final 2–1 48% 52%
Finished Alycia Parks – Varvara Lepchenko Guadalajara · final 2–1 47% 53%
Finished Peyton Stearns – Emiliana Arango Guadalajara · final 2–0 38% 62%
How the three-set chance is worked out
It follows directly from the win probability: the closer a match is to 50/50, the more likely each set is to be shared and the match to need a third. Grand Slam men's matches (best of five) are left out here.