The Hornets were 14-7 (7-0 MIAA) in 2018-19.
Yi finished the season ranked No. 17 in the nation.
Yi lost 6-3, 6-2 in the opening round.
Kalamazoo College hosts the NCAA III Tennis Championships May 20-26.
Nick Ludka and Sharif Shaker were selected to the CoSIDA Academic All-District 6 At-Large Team.
Ian Yi was selected as Rookie of the Year for the Central Region.