Lajos Portisch vs Istvan Almasi
HUN-chT HUN 1993.??.??
Queen’s Gambit Declined: Exchange Variation, Reshevsky Variation 1-0

Lajos Portisch vs Rafael Vaganian Portisch - Vaganian Candidates Eighthfinal Saint John CAN round 3 1988.01.27 Queen’s Gambit Declined: Tartakower Defense 1-0

Juan Manuel Bellon Lopez vs Lajos Portisch
Las Palmas Las Palmas ESP round 1 1976.04.04
Sicilian Defense: Taimanov Variation 0-1

Lajos Portisch vs Gedeon Barcza
Maroczy Memorial Budapest HUN round 1 1961.10.14
Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation 1/2-1/2

Leonid Stein vs Lajos Portisch
Moscow Moscow URS round 8 1967.05.31
English Opening: Anglo-Indian Defense, Grünfeld Formation 1-0

Evgenij Ermenkov vs Lajos Portisch
Tunis Interzonal Gammarth TUN round 2 1985.04.28
Sicilian Defense: Taimanov Variation, Bastrikov Variation 1/2-1/2

Lajos Portisch vs Emil Orendy
HUN-ch 16th Budapest HUN 1961.??.??
Bird Opening: Dutch Variation, Batavo Gambit 1-0

Lajos Portisch vs Rafael Vaganian
Portisch - Vaganian Candidates Eighthfinal Saint John CAN round 1 1988.01.24
Queen’s Gambit Declined: Tartakower Defense 1/2-1/2

Lajos Portisch vs Boris Gelfand
Linares Linares ESP round 7 1990.02.25
King’s Indian Defense: Steiner Attack 1/2-1/2

Lajos Portisch vs Garry Kasparov
Moscow Moscow URS round 3 1981.04.06
Benoni Defense: Classical Variation 1/2-1/2