Head-to-Head
Overview
Cai/ Cao and Kikawada/ Kosaka have met 1 time so far, all in 2026. Kikawada/ Kosaka leads 1–0. Their first encounter was at the 2026 W15 Luan 4 (QF), won by Kikawada/ Kosaka.
By surface
- hard0 – 1
Cai/ Cao and Kikawada/ Kosaka have met 1 time so far, all in 2026. Kikawada/ Kosaka leads 1–0. Their first encounter was at the 2026 W15 Luan 4 (QF), won by Kikawada/ Kosaka.