Head-to-Head
Overview
H. Jefferson and Timofei Derepasko have met 1 time so far, all in 2026. H. Jefferson leads 1–0. Their first encounter was at the 2026 M15 Kayseri 2 (R32), won by H. Jefferson.
By surface
- hard1 – 0
H. Jefferson and Timofei Derepasko have met 1 time so far, all in 2026. H. Jefferson leads 1–0. Their first encounter was at the 2026 M15 Kayseri 2 (R32), won by H. Jefferson.