The Scot had taken part in the 2022 Hall of Fame Open last month where he was seeded sixth and reached the quarter-final.
On Monday, the 2022 ATP Umag Open's first round will feature the World No. 91 Mikael Ymer of Sweden taking on Jaume Munar of Spain.
Federico Delbonis v Mikael Ymer will take on each other on Monday, July 18 in the first round of the 2022 Swiss open Gstaad.