James T Sherwin vs Rex Wilcox
56th US Open Long Beach, CA USA round 1 1955.08.08
Dutch Defense: Classical Variation, Stonewall Variation, Botvinnik Variation 1-0

Rex Wilcox vs James L Harkins
70th US Open Lincoln, NE USA round 6 1969.08.15
French Defense: Winawer Variation, Advance Variation 1-0