Brandon Nakashima faced Zachary Svajda in the first round and recorded a 7-6, 7-6 (7-5) victory.
The Aussie fell to a shock defeat in the first round of the Istanbul Challenger on September 13, losing to Lukas Rosol 6-2, 7-6.
Galan had a memorable performance at the 2022 US Open which saw him beat fourth seed Stefanos Tsitsipas 6-0, 6-1, 3-6, 7-5 in the first round.