Head-to-Head
Overview
Congcar/ Koaykul and Masabayashi/ Sumizawa have met 1 time so far, all in 2026. Masabayashi/ Sumizawa leads 1–0. Their first encounter was at the 2026 M15 Nonthaburi (R16), won by Masabayashi/ Sumizawa.
By surface
- hard0 – 1
Congcar/ Koaykul and Masabayashi/ Sumizawa have met 1 time so far, all in 2026. Masabayashi/ Sumizawa leads 1–0. Their first encounter was at the 2026 M15 Nonthaburi (R16), won by Masabayashi/ Sumizawa.