Head-to-Head

Overview

R. Brantmeier and K. Collins have met 2 times so far, all in 2026. The rivalry is level at 1–1. Their first encounter was at the 2026 W100 Sumter (QF), won by R. Brantmeier. Most recently they met at the 2026 Caldas da Rainha (F), with K. Collins winning.