CEDAR RAPIDS, Iowa – For just the fourth time in program history, the Grinnell College women’s tennis team reached the 20-win plateau as the Pioneers shut down Coe College 9-0 Sunday. The 20-4 Pioneers swept doubles with the duos of Irene Agusti ’24-Ioanna Giannakou ’24 (8-3), Nichole Henning ’26-Isa Voinescu ’26 (8-0) and Kalea Martin ’25-Anika Sheth ’26 (8-2). Singles winners were Agusti (6-4, 4-6, 10-8), Giannakou (6-2, 5-7, 10-5), Voinescu (6-4, 6-3), Sheth (7-5, 6-4), Henning (6-1, 6-3) and Tan Mukherjee ’26 (6-0, 6-0). Giannakou now has 19 wins this season, 21st-best in program history. For her career, she…