Chun-Hsin Tseng will advance past Oleksii Krutykh in the Prague Challenger quarter-finals on August 20, 2026. Tseng will use his no. 269 ranking and prior wins to beat Krutykh on Court 2, where the quarter-final is scheduled. Tseng will build on recent straight sets over Hynek Barton 6-4, 6-1 and t…