Samuel Schweber vs Lajos Portisch
Wch U20 prel-B Antwerp BEL round 6 1955.07.26
Nimzo-Indian Defense: Hübner Variation 1-0

Judit Polgar vs Lajos Portisch
HUN-ch op HUN 1988.??.??
French Defense: MacCutcheon Variation, Wolf Gambit 1-0

Lajos Portisch vs Viktor Korchnoi
Candidates Match Bad Kissingen FRG round 8 1983.04.13
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 1-0

Lajos Portisch vs Vladimir Bagirov
Hoogovens Beverwijk NED round 6 1965.01.12
Caro-Kann Defense: Panov Attack 1-0

Lajos Portisch vs Boris Spassky
Budapest-Leningrad Budapest HUN round 3 1961.04.??
Ruy Lopez: Classical Defense, Benelux Variation 0-1

Lajos Portisch vs Mikhail Tal
EUR-chT (Men) 2nd Oberhausen FRG round 4 1961.06.24
French Defense: Tarrasch Variation, Botvinnik Variation 1-0

Lajos Portisch vs Nigel Short
Linares Linares ESP round 2 1989.02.20
Dutch Defense: Classical Variation, Stonewall Variation 1/2-1/2

Magnus Carlsen vs Lajos Portisch
Gausdal Classics GM-group A Gausdal NOR round 7 2007.04.24
Catalan Opening: Open Defense 1-0

Dieter Keller vs Lajos Portisch
Wch U20 final-A Antwerp BEL round 8 1955.08.06
Sicilian Defense: O’Kelly Variation 0-1

Lajos Portisch vs Boris Gulko
Biel Interzonal Biel SUI round 9 1993.07.25
English Rat: Pounds Gambit 1-0