Roberto Grau vs Arnoldo Ellerman
1st South American Championship Carrasco, Montevideo URU round 8 1922.01.07
Slav Defense: Quiet Variation, Amsterdam Variation 1-0

Roberto Grau vs Benito Higinio Villegas
Montevideo Montevideo round 9 1925.??.??
Queen’s Indian Defense: Classical Variation, Tiviakov Defense 1-0

Isaias Pleci vs Roberto Grau
ARG-ch m Buenos Aires ARG round 4 1930.??.??
Nimzo-Indian Defense: Spielmann Variation 1-0

Savielly Tartakower vs Roberto Grau
San Remo San Remo ITA round 1 1930.01.16
London System: Poisoned Pawn Variation 1-0

Juan B Hernandez vs Roberto Grau
Mar del Plata Mar del Plata ARG round 7 1928.03.??
Amazon Attack: Siberian Attack 0-1

Roberto Grau vs Geza Maroczy
1st olm final London ENG round 8 1927.07.23
Queen’s Gambit Declined: Semi-Tarrasch Defense 0-1

Roberto Grau vs Isaias Pleci
ARG-ch m Buenos Aires ARG round 7 1930.??.??
Ruy Lopez: Morphy Defense, Modern Steinitz Defense 0-1

Roberto Grau vs Vladas Mikenas
Buenos Aires Olympiad prel-C Buenos Aires ARG round 4 1939.08.27
Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit 0-1

Roberto Grau vs Moshe Czerniak
Buenos Aires Buenos Aires ARG round 3 1939.10.05
Benoni Defense 1/2-1/2

Roberto Grau vs George Alan Thomas
1st olm final London ENG round 12 1927.07.27
Semi-Slav Defense: Meran Variation 0-1