Jan Ambroz vs Zdenek Skyva
CZE-ch 7374 Brno round 9 1973.??.??
London System: Poisoned Pawn Variation 1/2-1/2

Jan Ambroz vs Victor Ciocaltea
Baile Herculane Zonal Baile Herculane ROU round 3 1982.01.11
Italian Game: Giuoco Piano 1/2-1/2

Jan Ambroz vs Lubomir Ftacnik
CSR-ch Marianske Lazne CSR round 2 1978.05.??
Modern Defense 0-1

Emil Macura vs Jan Ambroz
CZE-ch 7374 Brno round 6 1973.??.??
English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation 0-1

Petr Mlynek vs Jan Ambroz
CZE-ch 7374 Brno round 11 1973.??.??
Modern Defense 0-1

Milan Babula vs Jan Ambroz
CZE-ch 7374 Brno round 8 1973.??.??
French Defense: Classical Variation, Svenonius Variation 1-0

Ladislav Dobrovolsky vs Jan Ambroz
CZE-ch U26 Hrazany round 13 1974.??.??
French Defense: MacCutcheon Variation 1/2-1/2

Eduard Prandstetter vs Jan Ambroz
Czechoslovak Championship Marianske Lazne CSR round 7 1978.05.??
Alekhine Defense 1/2-1/2

Jan Ambroz vs Ivo Ryc
CZE-ch 7374 Brno round 5 1973.??.??
Colle System: Rhamphorhynchus Variation 1/2-1/2

Jan Ambroz vs Stanislav Petrik
CZE-ch U26 Hrazany round 3 1974.??.??
Sicilian Defense: Chekhover Variation 1-0