Head-to-Head
Overview
Gabriel Diallo and Joao Fonseca have met 1 time so far, all in 2026. Joao Fonseca leads 1–0. Their first encounter was at the 2026 Monte Carlo (R64), won by Joao Fonseca.
By surface
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Gabriel Diallo and Joao Fonseca have met 1 time so far, all in 2026. Joao Fonseca leads 1–0. Their first encounter was at the 2026 Monte Carlo (R64), won by Joao Fonseca.