Rudolf Molleker will advance against Matias Soto in the Prague Challenger on August 18, 2026 on Court 2. Molleker is ranked no. 481 and reached the main draw by beating Aleksandr Braynin 6-2 6-2 and Jakub Paul 6-0 6-1 in qualifying. This will be the players' first main tour meeting. A Molleker win…