Laszlo Kovacs vs Ivan Hausner
Decin-A Decin CSR round 4 1976.06.04
English Opening: Anglo-Indian Defense 1-0

Ivan Hausner vs Pertti Poutiainen
Wch U20 f-A Athens GRE round 4 1971.08.05
Modern Defense 1-0

Ivan Hausner vs Lev Alburt
Decin-A Decin CSR round 3 1976.06.03
English Opening: Symmetrical Variation, Anti-Benoni Variation 1-0

Ivan Hausner vs Leif Ogaard
Wch U20 f-A Athens GRE round 2 1971.08.02
Sicilian Defense: Closed 1-0

Ivan Hausner vs Nelson Borges Pinal
Wch U20 f-A Athens GRE round 9 1971.08.10
Scotch Game 1-0

Ivan Hausner vs Vojtech Plat
Zahoracky IM 2017 Senica SVK round 6.3 2017.05.12
Catalan Opening: Open Defense 1/2-1/2

Jindrich Trapl vs Ivan Hausner
? Trnava CSR round 11 1980.09.??
Sicilian Defense: Najdorf Variation 1-0

Rafael Vaganian vs Ivan Hausner
Wch U20 f-A Athens GRE round 3 1971.08.04
Benoni Defense: Taimanov Variation 1-0