[3] He currently plays for Western Australia, the San Francisco Unicorns and the Melbourne Stars.
[5] He made his Twenty20 debut on 5 December 2021 for the Melbourne Stars in the 2021–22 Big Bash League season.
[6] In 2023, Couch was drafted into the San Francisco Unicorns squad for the 2023 Major League Cricket season as a local player.
[7] In April 2024, Couch was named as part of Western Australia's squad for the 2024/25 domestic season.
[8] On 4 November 2024, he became the first Western Australian player to take a hat-trick in the Sheffield Shield by dismissing Jake Doran, Lawrence Neil-Smith and Kieran Elliott in consecutive deliveries.