Daniil Piatrouski defeated Alexander Chepik 6-3 3-6 10-8 in the M15 Tehran 2 qualifying round of 16 on clay. The upset overturned the form book — Alexander Chepik came in leading the head-to-head 1–0. Daniil Piatrouski claimed a first win over Alexander Chepik in two meetings, levelling the head-to-head at 1–1.
Piatrouski D. came through in three sets.
Clay: Piatrouski D. leads 1–0 · Hard: Chepik A. leads 1–0
Daniil Piatrouski beat Alexander Chepik 6-3 3-6 10-8. Umpiry, "Daniil Piatrouski vs Alexander Chepik — M15 Tehran 2 Qualifying Round of 16", https://umpiry.com/match/2025-05-13/chepik-vs-piatrouski-m15-tehran-2-q16?utm_source=cite (as of 13 May 2025).