The Titans (2-6) opened with a 35-11 victory over Milwaukee School of Engineering before suffering a 27-9 loss to host University of Dubuque.
UW-Oshkosh never trailed as it jumped to a 17-3 lead over Milwaukee School of Engineering. The Raiders pulled within 20-11, but the Titans closed the match with 15 unanswered points.
Lemcke, competing at 197 pounds, stuck Duncan Heath to the mat in 4:30 while the 141-pound Senthavisouk glued Jimmy Cushman to the surface in 2:11.
Wesam Alabed earned five points for the Titans with his 20-5 victory over Sam Rathburn at 149 pounds.
Cashmore and UW-Oshkosh teammate Mark Choinski both won by 9-2 results as Cashmore defeated Ryan Snyder at 184 pounds while Choinski ousted Drew Matticks at 165.
Against the University of Dubuque, UW-Oshkosh led 3-0 and 6-3 before the Spartans scored 16 straight points to take a 19-6 advantage. The University of Dubuque tallied the final eight points of the match.
McCray gave the Titans an early 3-0 lead with his 9-4 victory over Caleb Poche at 125 pounds.
Following a Spartan win at 133 pounds, Senthavisouk helped UW-Oshkosh reclaim a 6-3 lead with his 6-1 victory over Isaiah Williams at 141 pounds.
The University of Dubuque then rattled off four straight wins before Cashmore edged the Spartans' Chris Nielson with a 10-8 overtime victory at 184 pounds.
UW-Oshkosh lost a pair of two-point decisions to the Spartans, Alabed's 7-5 loss to Kamen Wilmington at 149 pounds and Kitslaar's 5-3 setback to Robert Melise at 285.
UW-Oshkosh hosts defending WIAC champion UW-La Crosse on Saturday (Jan. 13) in Kolf Sports Center.