| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Ribli vs I Hausner |
| 1-0 | 34 |
1971 |
Athens (Wch U20) | A39 English, Symmetrical, Main line with d4 |
| 2. I Hausner vs J Ambroz |
| ½-½ | 59 |
1973 |
CZE-ch 7374 | A57 Benko Gambit |
| 3. I Hausner vs Plachetka |
| 0-1 | 42 |
1975 |
Rimavska Sobota-A 4th | C84 Ruy Lopez, Closed |
| 4. I Hausner vs Minev |
| ½-½ | 46 |
1976 |
Decin-A | E91 King's Indian |
| 5. I Hausner vs Alburt |
| 1-0 | 40 |
1976 |
Decin (Czech Republic) | A31 English, Symmetrical, Benoni Formation |
| 6. W Schmidt vs I Hausner |
| ½-½ | 46 |
1976 |
Decin-A | E69 King's Indian, Fianchetto, Classical Main line |
| 7. Plachetka vs I Hausner |
| 1-0 | 58 |
1976 |
Decin-A | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 8. K Mokry vs I Hausner |
| ½-½ | 31 |
1978 |
Bohemians | E94 King's Indian, Orthodox |
| 9. I Hausner vs J Ambroz |
| ½-½ | 42 |
1978 |
CSR-ch | A22 English |
| 10. K Mokry vs I Hausner |
| 1-0 | 25 |
1978 |
Decin-B 8th | A46 Queen's Pawn Game |
| 11. F Blatny vs I Hausner |
| 0-1 | 61 |
1978 |
Decin-B 8th | B25 Sicilian, Closed |
| 12. Plachetka vs I Hausner |
| ½-½ | 27 |
1978 |
CSR-ch | E70 King's Indian |
| 13. Smejkal vs I Hausner |
| 1-0 | 32 |
1978 |
CSR-ch | E12 Queen's Indian |
| 14. I Hausner vs J Lechtynsky |
| ½-½ | 28 |
1978 |
CSR-ch | E00 Queen's Pawn Game |
| 15. I Hausner vs B Perenyi |
| 1-0 | 53 |
1978 |
Decin-B 8th | E65 King's Indian, Fianchetto, Yugoslav, 7.O-O |
| 16. Ftacnik vs I Hausner |
| ½-½ | 33 |
1978 |
Ch Czechoslovakia, Marianske Lazne (Czech Repub | A55 Old Indian, Main line |
| 17. I Hausner vs Pinter |
| 0-1 | 41 |
1980 |
Ch Europe (team) | E00 Queen's Pawn Game |
| 18. I Hausner vs Yusupov |
| ½-½ | 40 |
1980 |
EU-chT (Men) | A30 English, Symmetrical |
| 19. J Trapl vs I Hausner |
 | 1-0 | 45 |
1980 |
? | B90 Sicilian, Najdorf |
| 20. A Kuligowski vs I Hausner |
| 1-0 | 24 |
1980 |
Hradec Kralove | B07 Pirc |
| 21. I Hausner vs J Lechtynsky |
| ½-½ | 35 |
1980 |
CSR-ch | A50 Queen's Pawn Game |
| 22. J Ambroz vs I Hausner |
| 1-0 | 24 |
1980 |
CSR-ch | B22 Sicilian, Alapin |
| 23. M Vukic vs I Hausner |
| ½-½ | 80 |
1981 |
N. Pavlica mem | E04 Catalan, Open, 5.Nf3 |
| 24. I Hausner vs Uhlmann |
 | 0-1 | 60 |
1981 |
Halle | C15 French, Winawer |
| 25. I Hausner vs J Lechtynsky |
 | 0-1 | 19 |
1981 |
It b | B96 Sicilian, Najdorf |