Walter Holowach vs Leonard Hall
Canadian Championship Saskatoon CAN round 4 1945.06.??
Grünfeld Defense: Brinckmann Attack 1-0

Johannes Austboe vs Walter Holowach
Buenos Aires Olympiad fin-B Buenos Aires ARG round 7 1939.09.11
Queen’s Gambit Declined: Orthodox Defense, Capablanca Variation 0-1

Walter Holowach vs Jesus Alberto Cayo Murillo
Buenos Aires Olympiad fin-B Buenos Aires ARG round 10 1939.09.16
Queen’s Gambit Declined: Orthodox Defense, Rubinstein Variation 1/2-1/2

Domingo Cruz Bulnes vs Walter Holowach
Buenos Aires Olympiad fin-B Buenos Aires ARG round 4 1939.09.06
Queen’s Indian Defense: Classical Variation, Traditional Variation, Main Line 0-1

Augusto Aponte vs Walter Holowach
Buenos Aires Olympiad fin-B Buenos Aires ARG round 3 1939.09.04
Queen’s Gambit Declined: Orthodox Defense 1-0

Walter Holowach vs Emil Stefanov Karastoichev
Buenos Aires Olympiad fin-B Buenos Aires ARG round 8 1939.09.13
King’s Indian Defense: Fianchetto Variation, Delayed Fianchetto 1/2-1/2

Frank J Yerhoff vs Walter Holowach
Canadian Championship Saskatoon CAN round 3 1945.06.??
Slav Defense: Czech Variation, Classical System 1-0

Walter Holowach vs Leo Manners Duval
Canadian Championship Saskatoon CAN round 9 1945.06.??
Grünfeld Defense: Botvinnik Variation 1/2-1/2