| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Suetin vs Jansa |
| ½-½ | 26 |
1976 |
Budapest TUN | B80 Sicilian, Scheveningen |
| 2. E Prandstetter vs Jansa |
| ½-½ | 35 |
1977 |
Decin | B80 Sicilian, Scheveningen |
| 3. J Bielczyk vs Jansa |
| ½-½ | 13 |
1979 |
Polanica Zdroj | B80 Sicilian, Scheveningen |
| 4. P Popovic vs Jansa |
| 1-0 | 67 |
1980 |
Bajmok | B80 Sicilian, Scheveningen |
| 5. K Berg vs Jansa |
| 0-1 | 65 |
1981 |
Politiken Cup | B80 Sicilian, Scheveningen |
| 6. I Radulov vs Jansa |
| ½-½ | 13 |
1982 |
Baile Herculane zt | B80 Sicilian, Scheveningen |
| 7. Sax vs Jansa |
| 1-0 | 24 |
1982 |
Smederevska Palanka | B80 Sicilian, Scheveningen |
| 8. Dobrowolsky Ladislav vs Jansa |
| ½-½ | 49 |
1982 |
Trnava | B80 Sicilian, Scheveningen |
| 9. K Honfi vs Jansa |
| 0-1 | 63 |
1982 |
Trnava | B80 Sicilian, Scheveningen |
| 10. Sahovic vs Jansa |
| ½-½ | 26 |
1983 |
Bor | B80 Sicilian, Scheveningen |
| 11. D Pavlovic vs Jansa |
| 0-1 | 33 |
1983 |
11 | B80 Sicilian, Scheveningen |
| 12. A B Vaidya vs Jansa |
 | 0-1 | 44 |
1986 |
Calcutta | B80 Sicilian, Scheveningen |
| 13. K Mokry vs Jansa |
| ½-½ | 10 |
1986 |
Prag | B80 Sicilian, Scheveningen |
| 14. B Perenyi vs Jansa |
| 1-0 | 26 |
1986 |
West Berlin 42/269 | B80 Sicilian, Scheveningen |
| 15. J Banas vs Jansa |
| 0-1 | 42 |
1987 |
Trnava | B80 Sicilian, Scheveningen |
| 16. M Braun vs Jansa |
| 0-1 | 21 |
1988 |
Bad Woerishofen | B80 Sicilian, Scheveningen |
| 17. Tiviakov vs Jansa |
| 1-0 | 35 |
1992 |
Gausdal Peer Gynt | B80 Sicilian, Scheveningen |
| 18. A Pauli vs Jansa |
 | 0-1 | 51 |
1993 |
Bad Woerishofen op | B80 Sicilian, Scheveningen |
| 19. P Vogelmann vs Jansa |
| ½-½ | 40 |
1995 |
Eupen | B80 Sicilian, Scheveningen |
| 20. Cvek vs Jansa |
| ½-½ | 12 |
2006 |
CZE-ch | B80 Sicilian, Scheveningen |
| 21. H Westerinen vs Jansa |
| 0-1 | 51 |
2006 |
World Senior Championship | B80 Sicilian, Scheveningen |