2019-20 (shortened due to COVID-19):
Riley went 7-10 in singles and played in 18 doubles matches, including a 4-1 mark with Courtney Fyvie. She finished the year ranked 20th in singles in the Midwest Region.
2018-19:
Riley played in the No. 1 position for Tiffin, going 5-11 overall and 4-3 in the GMAC. In doubles, she paired with Emily Sim to go 8-5 at No. 2 and 4-1 in the conference. She was named GMAC Athlete of the Week from Sept. 3-9, and received a First Team All-GMAC honor at the conclusion of the season.
2017-18:
Riley was thrust into the spotlight immediately in her first season with the Dragons, going 8-12 overall across the top three positions, including 2-4 in the GLIAC. In doubles, she teamed up with Lauren Prince to go 5-0 at No. 3 and 2-2 in conference play.