Kwei defeated Sacred Heart's Cole Conrad, 4-6, 6-3, 10-8, in the Round of 32 to advance to Saturday's Round of 16, where he'll face Fairfield's R.J. Mirabile.
Weeden defeated UConn's Scott Warden, 4-6, 7-5, 10-8, in the Round of 32. Next up is Yale's Kyle Dawson in the Round of 16.
Mikkelson took down Sacred Heart's Nick Mazzarese, 6-2, 6-4, in the Round of 32, and will face Yale's Ryan Berman in the Round of 16.
Following a Round of 32 bye, Mikkelson and Weeden paired to defeat Fairfield's Dan Sauter and Reece Breault, 8-5, in the Round of 16. The duo will face Yale's Zachary Dean and Tommy Ratchford in the quarterfinals.
Connecticut State Championship action continues tomorrow at Yale's Cullman-Heyman Tennis Center.