The event honors the memory of Harshman, who won 635 games while coaching for three different Washington schools, including his final position at UW (1971-85).
Washington won the first game, 76-69, over Pacific, to run its record to 3-0.
With the Redhawks (1-2) leading 60-56 with under three minutes to play, the Grizzlies' began a comeback highlighted by Brandon Gfeller's 3-pointer with 2:09 left. That gave the Griz a 61-60 lead that they wouldn't relinquish.
Seattle Univerisity didn't help itself in the second half, making just six of 12 free throws.