Ilia Shalamanov-Trenkov (07/08/2002, goalkeeper of PFC Litex Lovech) is called by the Australian national team U23, from 2021, March 21 to 28.

During the training camp in Jeddah (Saudi Arabia), Australia U23 will play 2 friendly games as following:

- On the 24/03/2021, against Egypt U23,
- On the 27/03/2021, against Brazil U23.