Kaarle-Sakari Ojanen vs Jozsef Szily
Reti Memorial Trencianske Teplice CSR round 3 1949.08.??
Catalan Opening: Open Defense 0-1

Carlos Hugo Maderna vs Kaarle-Sakari Ojanen
Mar del Plata Mar del Plata ARG round 1 1953.03.15
English Opening: Anglo-Indian Defense, Grünfeld Formation 1/2-1/2

Kaarle-Sakari Ojanen vs Paul Keres
Helsinki Helsinki FIN 1960.??.??
Benoni Defense: Modern Variation 1-0

Haji Ardiansyah vs Kaarle-Sakari Ojanen
Siegen ol (Men) fin-B Siegen FRG round 6 1970.09.19
Sicilian Defense: Najdorf Variation, Opocensky Variation 1-0

Leon Kremer vs Kaarle-Sakari Ojanen
non-FIDE Munich Olympiad Munich GER round 8 1936.08.22
Nimzo-Indian Defense: Normal Variation, Bishop Attack 1-0