Head-to-Head
Overview
Merchant/ Usui and Zamarripa/ Zarazua have met 1 time so far, all in 2026. Zamarripa/ Zarazua leads 1–0. Their first encounter was at the 2026 W100 Evansville, In (Usa), Hard, won by Zamarripa/ Zarazua.
By surface
- unknown0 – 1
Merchant/ Usui and Zamarripa/ Zarazua have met 1 time so far, all in 2026. Zamarripa/ Zarazua leads 1–0. Their first encounter was at the 2026 W100 Evansville, In (Usa), Hard, won by Zamarripa/ Zarazua.