He first defeated Peter Alam from England 2-0 (6-4, 7-6) on Thursday.
Yazdani then beat Arda Azkara from Turkey 2-0 (7-6, 7-5).
The Iranian tennis player also defeated Englishman James Beaven 2-1 (6-7, 6-2, 6-2) to book his place in the quarterfinals.
The 2025 ITF Men's World Tennis Tour is the 2025 edition of the second-tier tour for men's professional tennis. It is organized by the International Tennis Federation and is a tier below the ATP Challenger Tour. The ITF Men's World Tennis Tour includes tournaments with prize money ranging from $15,000 to $25,000.