[2][3] Trhac reached his first ITF level final at the 2023 M15 San Diego, partnering Isaiah Strode.

[citation needed] With fellow American Ryan Seggerman, the duo won eight consecutive ITF doubles titles, between July and October 2023.

[8] With Seggerman, the duo won the 2024 Cranbrook Tennis Classic, their seventh Challenger level title.

As a result, Trhac rose to a new career high doubles ranking of world No.

[citation needed] Thrac and Seggerman received a wildcard to the 2024 US Open, making their Grand Slam debut.