Ivan Sergeyev defeated Constantin Schmitz 6-3 5-7 6-3 in the M15 Antalya 15 round of 32 on clay.
Sergeyev I. came through in three sets.
Ivan Sergeyev beat Constantin Schmitz 6-3 5-7 6-3. Umpiry, "Ivan Sergeyev vs Constantin Schmitz — M15 Antalya 15 Round of 32", https://umpiry.com/match/2021-04-14/schmitz-vs-sergeyev-m15-antalya-15-r32?utm_source=cite (as of 14 April 2021).