Head-to-Head
Overview
Constantin Bittoun Kouzmine and G. Debru have met 1 time so far, all in 2026. G. Debru leads 1–0. Their first encounter was at the 2026 Samsun (Turkey) - Qualification (F), won by G. Debru.
By surface
- hard0 – 1
Constantin Bittoun Kouzmine and G. Debru have met 1 time so far, all in 2026. G. Debru leads 1–0. Their first encounter was at the 2026 Samsun (Turkey) - Qualification (F), won by G. Debru.