At Pomona-Pitzer: Completed his senior season as a member of the Pomona-Pitzer Men's Tennis team.
2017: Played No. 3 Doubles and No. 4 and 5 Singles for the Sagehens...Went 21-7 in singles with notable victories over notable No. 12 Erik Kerrigan (Chicago), No. 23 Alex Taylor (Williams), No. 33 Christian Mathis (Westmont)...Went 8-11 in doubles.
2016: Appeared at No. 4, 5 and 6 singles for the Sagehens throughout the regular season where he tallied an 8-7 overall record. Mandic also played at No. 2 and No. 3 doubles with teammates Kalyan Chadalavada and Spencer Simonides where he compiled a 8-6 record.
2015: Had a 10-5 record in singles in his first collegiate season...Started out the year 5-0, including wins in 5-4 victories over No. 15 Mary Washington and No. 11 Carengie Mellon...Earned a tight 6-7, 7-6, 10-8 win against No. 12 Case Western.
High School: Attended the Baylor School in Chattanooga, Tennessee, where he played tennis...Earned a state doubles championship.
Personal: Attends Pomona College.