Head-to-Head
Overview
Castelnuovo/ Xiao and Fancutt/ Watanabe have met 1 time so far, all in 2026. Fancutt/ Watanabe leads 1–0. Their first encounter was at the 2026 Guangzhou 2 (R16), won by Fancutt/ Watanabe.
By surface
- hard0 – 1
Castelnuovo/ Xiao and Fancutt/ Watanabe have met 1 time so far, all in 2026. Fancutt/ Watanabe leads 1–0. Their first encounter was at the 2026 Guangzhou 2 (R16), won by Fancutt/ Watanabe.