Denys Klok defeated Sean Hess 4-6 6-1 10-7 in the M25 Belgrade 1 qualifying round of 16 on clay.
Klok D. came through in three sets.
Denys Klok beat Sean Hess 4-6 6-1 10-7. Umpiry, "Denys Klok vs Sean Hess — M25 Belgrade 1 Qualifying Round of 16", https://umpiry.com/match/2025-06-02/hess-vs-klok-m25-belgrade-1-q16?utm_source=cite (as of 2 June 2025).