Head-to-Head
Overview
R. Brantmeier and K. Collins have met 1 time so far, all in 2026. R. Brantmeier leads 1–0. Their first encounter was at the 2026 W100 Sumter (QF), won by R. Brantmeier.
By surface
- hard1 – 0
R. Brantmeier and K. Collins have met 1 time so far, all in 2026. R. Brantmeier leads 1–0. Their first encounter was at the 2026 W100 Sumter (QF), won by R. Brantmeier.