Lajos Portisch vs Hector Decio Rossetto
Capablanca Memorial Havana CUB round 3 1964.08.29
Grünfeld Defense: Three Knights Variation, Hungarian Attack 1-0

Lajos Portisch vs Jonathan Speelman
Reykjavik World Cup Reykjavik ISL round 17 1988.10.24
English Rat: Pounds Gambit 1/2-1/2

Miguel Najdorf vs Lajos Portisch
Varna ol (Men) fin-A Varna BUL round 3 1962.09.29
Queen’s Gambit Declined: Semi-Tarrasch Defense 1-0

Oleg Leonidovich Moiseev vs Lajos Portisch
IBM Amsterdam Amsterdam NED round 7 1967.07.25
Nimzo-Indian Defense: Hübner Variation 1/2-1/2

Johan Teunis Barendregt vs Lajos Portisch
Amsterdam IBM Amsterdam NED round 6 1963.09.03
Ruy Lopez: Exchange Variation, Alapin Gambit 1-0

Lajos Portisch vs Alexander Beliavsky
Linares Linares ESP round 4 1989.02.23
Queen’s Gambit Declined: Exchange Variation 0-1

Lajos Portisch vs Johann Hjartarson
Reykjavik World Cup Reykjavik ISL round 3 1988.10.05
Bogo-Indian Defense 1-0

Lajos Portisch vs Levente Lengyel
4th Costa del Sol Malaga ESP round 6 1964.02.??
Nimzo-Indian Defense: Hübner Variation 1/2-1/2

Vassily Ivanchuk vs Lajos Portisch
Linares Linares ESP round 2 1990.02.19
Ruy Lopez: Closed 1-0

J Brian Tomson vs Lajos Portisch
Australian Open Adelaide 1971.??.??
Benoni Defense: Taimanov Variation 0-1