Wallerich paired with Kelsey Eatherton (Sr., White Bear Lake, Minn.) at first doubles, dropping a close 8-5 match. She then went on to win at fifth singles, 7-6 (7-5), 6-1.
Kristen Kiemele (Sr., Eagan, Minn.) and Nicole Krier (Jr., Woodbury, Minn.) dropped their match at second doubles by a break, 8-6.
Yarbrough's singles win came at second singles as she won 6-2, 6-4.
Hamline is now 2-9, 1-3 MIAC and Saint Mary's is 7-9, 3-5 MIAC. The Pipers next play on Tuesday, April 5, at St. Olaf. The match is scheduled to begin at 4:00 p.m.