Tiffin University (5-1) posted another Top 20 upset, dispatching 20th-ranked Charleston 6-1 one week after defeating 13th-ranked Grand Valley State.

The Dragons again used strong singles play to do it after getting swept in the doubles round. Tiffin won all six singles matches.

Three of the wins went three sets. Romain Marionneau got a 4-6, 7-5, 6-1 victory while Lorenzo Perucchini also won 1-6, 7-5, 6-4. Harry Senior posted a 7-5, 2-6, 1-0 (10-6) win.

Martin Driesner got a 6-3, 6-3 straight sets win, as did Jose Portillo 7-6, 7-5 and Erwan Colin 6-3, 6-2.