Robert Huebner vs Julio Kaplan
Houston Houston, TX USA 1974.12.??
King’s Indian Defense: Orthodox Variation 1-0

Julio Kaplan vs Lajos Portisch
San Antonio San Antonio, TX USA round 10 1972.12.01
Sicilian Defense: Najdorf Variation, Scheveningen Variation 0-1

Stefano Tatai vs Julio Kaplan
Siegen ol (Men) fin-C Siegen FRG round 2 1970.09.15
Pirc Defense: Austrian Attack 0-1

Julio Kaplan vs David Bronstein
Hastings 1975/76 Hastings ENG round 1 1975.12.29
French Defense: Burn Variation 0-1