Otto Loewenborg vs M Hajn
Mlada Boleslav-B Mlada Boleslav AUH 1913.??.??
Caro-Kann Defense: Classical Variation 1-0

Otto Loewenborg vs Bertil Rask
Casual game Stockholm SWE 1915.12.??
Four Knights Game: Scotch Variation 1-0

Johannes Hjalmar Giersing vs Otto Loewenborg
Nordic Congress 8th Kristiania NOR round 8 1917.06.??
Caro-Kann Defense 1-0