Julio Santos vs Edgar De Castro
Lugano Olympiad qual-1 Lugano SUI round 1 1968.10.18
Sicilian Defense: Boleslavsky Variation 0-1

Herman Claudius van Riemsdijk vs Julio Santos
21st World Seniors Championship Rijeka round 1.22 2011.11.15
Ruy Lopez: Closed, Averbakh Variation 1-0