 Katsidis' first bout of 2013 was scheduled for 21 February at the Melbourne Pavilion, against Weng Haya of the Philippines.However, on 12 February the news broke that the fight had been cancelled, with Katsidis having received medical advice based on MRI and CAT scans that he should retire.A week following the announcement, further information from the scans revealed that Katsidis had suffered scarring of the brain.