Joao de Souza Mendes Jr. vs Walter Oswaldo Cruz
BRA-ch Rio de Janeiro BRA round 7 1928.09.??
Alekhine Defense: Modern Variation 0-1

Jose Perez Alcocer vs Walter Oswaldo Cruz
Rio de Janeiro Zonal Rio de Janeiro BRA round 11 1957.08.??
Nimzo-Indian Defense 1-0

Walter Oswaldo Cruz vs Movsa Feigin
non-FIDE Munich Olympiad Munich GER round 9 1936.08.22
Slav Defense: Czech Variation 0-1

Octavio Figueira Trompowsky de Almeida vs Walter Oswaldo Cruz
BRA-ch Rio de Janeiro BRA round 7 1938.02.??
Nimzo-Indian Defense: Sämisch Variation, Accelerated 1/2-1/2

Walter Oswaldo Cruz vs Paul Tautvaisas
Buenos Aires Olympiad fin-A Buenos Aires ARG round 14 1939.09.16
Nimzo-Indian Defense: Classical Variation 1/2-1/2

Edward Lasker vs Walter Oswaldo Cruz
Mar del Plata Mar del Plata ARG round 17 1949.04.05
King’s Indian Defense, Fianchetto Variation, Classical Variation 1-0

Walter Oswaldo Cruz vs Ludwig Engels
Rio de Janeiro it Rio de Janeiro BRA round 3 1952.04.??
Ruy Lopez: Morphy Defense, Modern Steinitz Defense 0-1

Octavio Figueira Trompowsky de Almeida vs Walter Oswaldo Cruz
BRA-ch9 m Rio de Janeiro BRA round 7 1939.04.??
Amazon Attack: Siberian Attack 0-1

Walter Oswaldo Cruz vs Octavio Figueira Trompowsky de Almeida
BRA-ch Rio de Janeiro BRA round 4 1938.02.??
Benoni Defense: Benoni Gambit Accepted 1-0

Jose Montalban vs Walter Oswaldo Cruz
Mar del Plata Mar del Plata ARG round 7 1928.03.??
Queen’s Pawn Game: Torre Attack 0-1