Head-to-Head
Overview
K. Collins and Yeonwoo Ku have met 2 times so far, all in 2026. The rivalry is level at 1–1. Their first encounter was at the 2026 W50 Austin, TX, won by Yeonwoo Ku. Most recently they met at the 2026 W100 New Braunfels, Tx (Usa), Hard, with K. Collins winning.
By surface
- unknown1 – 0
- hard0 – 1

