Match will be spectator-free, limited to essential personnel.
R. Bellamy turned in first win of dual-match career to clinch overall decision.
Match was previously scheduled for Tuesday.
Pair of Smith, assistant coach de Villiers is one of tournament's No. 1 seeds.
Junior beat two ranked singles opponents as Bruins earned sweep in Pacific Northwest.
Senior clinched 4-3 decision for second time this season.