Wolfgang R Hasenfuss vs Gunnar Friedemann
Match 1st Riga - Tallinn Chess clubs Tallinn EST round 2 1938.03.08
Ruy Lopez: Closed 1/2-1/2

Teodors Zeids vs Wolfgang R Hasenfuss
Behting 75th Jubilee group 1 Correspondence 1942.10.??
Elephant Gambit 0-1

Wolfgang R Hasenfuss vs Vladimir Petrov
Kemeri Kemeri LAT round 10 1939.03.14
Sicilian Defense: Najdorf Variation, Scheveningen Variation 1/2-1/2

Wolfgang R Hasenfuss vs Edgars Krumins
Olympic team training Riga LAT 1935.07.??
Sicilian Defense: Closed 1/2-1/2

Tenis Melngailis vs Wolfgang R Hasenfuss
VPS team tournament Riga LAT 1936.??.??
Colle System: Rhamphorhynchus Variation 0-1

Fricis Apsenieks vs Wolfgang R Hasenfuss
Liepaja Club 50th Jubilee Liepaja LAT 1930.??.??
Nimzo-Indian Defense: Classical Variation, Belyavsky Gambit 1-0

Wolfgang R Hasenfuss vs Alexander Koblents
Kemeri Kemeri round 2 1939.03.05
Bird Opening 1/2-1/2

Wolfgang R Hasenfuss vs Leonids Dreibergs
Kemeri Kemeri LAT round 8 1939.03.12
Sicilian Defense: Dragon Variation 1/2-1/2

Teodors Bergs vs Wolfgang R Hasenfuss
6th Lat.congress Group winner playoff Riga LAT round 5 1937.04.??
Colle System: Rhamphorhynchus Variation 1/2-1/2

Wolfgang R Hasenfuss vs Teodors Bergs
6th Lat.congress Group winner playoff Riga LAT round 10 1937.04.??
Russian Game 1/2-1/2