Head-to-Head
Overview
R. Da Costa and Keisuke Saitoh have met 1 time so far, all in 2026. Keisuke Saitoh leads 1–0. Their first encounter was at the 2026 M15 Bali 2 (R16), won by Keisuke Saitoh.
By surface
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R. Da Costa and Keisuke Saitoh have met 1 time so far, all in 2026. Keisuke Saitoh leads 1–0. Their first encounter was at the 2026 M15 Bali 2 (R16), won by Keisuke Saitoh.