Head-to-Head
Overview
Zamarripa/ Zarazua and Merchant/ Usui 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
- unknown1 – 0
Zamarripa/ Zarazua and Merchant/ Usui 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.