Head-to-Head

Overview

Kallista Liu and O. Allegre have met 2 times so far, all in 2026. Kallista Liu leads 2–0. On hard, Kallista Liu leads 2–0. Their first encounter was at the 2026 W15 Huamantla 2, won by Kallista Liu. Most recently they met at the 2026 W15 Huamantla 3, with Kallista Liu winning. Kallista Liu has won the last 2 meetings.