Over 2.5 sets predictions 20 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, 9 matches
| Match | Three sets | Two sets | ||
|---|---|---|---|---|
| 21:10 | Kaitlin Quevedo – Nadia Podoroska WTA Sao Paulo, Brazil Women, Singles | 42% | 58% | |
| Finished | Mei Yamaguchi – Kyoka Okamura Singapore · final 0–2 | 50% | 50% | |
| Finished | Miho Kuramochi – Xinxin Yao Seoul · final 0–2 | 50% | 50% | |
| Finished | Joanna Garland – Viktoria Morvayova Singapore · final 2–0 | 50% | 50% | |
| Finished | Eunhye Lee – Yexin Ma Seoul · final 0–2 | 50% | 50% | |
| Finished | Anna-Lena Friedsam – Anastasia Kulikova Singapore · final 2–0 | 50% | 50% | |
| Finished | Alexandra Shubladze – Darya Astakhova Seoul · final 0–2 | 49% | 51% | |
| Finished | Alevtina Ibragimova – Sara Saito Seoul · final 2–0 | 49% | 51% | |
| Finished | Nao Hibino – Aoi Ito Singapore · final 2–1 | 49% | 51% |
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.
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.