Mickus performed at a high level in October, going 4-1 in singles play, and added three doubles wins. The junior rattled off three straight-set victories in a row at the Army Invitational to go undefeated at the event, winning convincingly in each match. Mickus prevailed against Army players Jack Hanna (6-2, 6-0) and Davis McDonald (6-3, 6-2), and followed up with a win over Sacred Heart's Martin Macias (6-4, 6-1) in his final match. Mickus split his matches at the ITA Northeast Regional, picking up a straight sets win over NEC foe Tom Lamers (6-4, 7-5) from Wagner. The Radviliskis, Lithuania native concluded his fall season with an impressive 8-3 singles record.