| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Jansa vs A Zaitsev |
| 0-1 | 47 |
1961 |
Moscow | B17 Caro-Kann, Steinitz Variation |
| 2. Jansa vs G Ilivitsky |
| ½-½ | 29 |
1961 |
Moscow | B17 Caro-Kann, Steinitz Variation |
| 3. Jansa vs J Sitiriche |
| 1-0 | 20 |
1964 |
Tel Aviv | B15 Caro-Kann |
| 4. Jansa vs Vadasz |
| 0-1 | 68 |
1966 |
Orebro Stud olm fA | B18 Caro-Kann, Classical |
| 5. Jansa vs J Sloth |
| ½-½ | 21 |
1966 |
Orebro Stud olm fA | B18 Caro-Kann, Classical |
| 6. Jansa vs Filip |
| ½-½ | 23 |
1968 |
CSR-ch | B17 Caro-Kann, Steinitz Variation |
| 7. Jansa vs A Kolarov |
| ½-½ | 25 |
1968 |
Lugano | B14 Caro-Kann, Panov-Botvinnik Attack |
| 8. Jansa vs Spiridonov |
| 0-1 | 33 |
1969 |
Athen | B14 Caro-Kann, Panov-Botvinnik Attack |
| 9. Jansa vs J Kozma |
| ½-½ | 19 |
1969 |
Stary Smokovec | B10 Caro-Kann |
| 10. Jansa vs J Flesch |
| 1-0 | 40 |
1970 |
Sombor | B17 Caro-Kann, Steinitz Variation |
| 11. Jansa vs Csom |
| ½-½ | 24 |
1970 |
Budapest | B14 Caro-Kann, Panov-Botvinnik Attack |
| 12. Jansa vs Podgaets |
| ½-½ | 29 |
1970 |
Sombor | B19 Caro-Kann, Classical |
| 13. Jansa vs Plachetka |
| ½-½ | 52 |
1971 |
CSR-ch int | B14 Caro-Kann, Panov-Botvinnik Attack |
| 14. Jansa vs L Alster |
 | 1-0 | 27 |
1971 |
CZE | B14 Caro-Kann, Panov-Botvinnik Attack |
| 15. Jansa vs S Kupka |
| 1-0 | 44 |
1972 |
Trinec | B10 Caro-Kann |
| 16. Jansa vs Szabo |
| ½-½ | 16 |
1972 |
Sarajevo | B14 Caro-Kann, Panov-Botvinnik Attack |
| 17. Jansa vs Lutikov |
| ½-½ | 16 |
1973 |
Leipzig DSV | B14 Caro-Kann, Panov-Botvinnik Attack |
| 18. Jansa vs M Gerusel |
| 1-0 | 42 |
1975 |
Leipzig | B14 Caro-Kann, Panov-Botvinnik Attack |
| 19. Jansa vs N Gaprindashvili |
| 1-0 | 29 |
1975 |
Vrnjachka Banja (Yugoslavia) | B14 Caro-Kann, Panov-Botvinnik Attack |
| 20. Jansa vs K Commons |
| ½-½ | 18 |
1976 |
Sombor | B14 Caro-Kann, Panov-Botvinnik Attack |
| 21. Jansa vs J M Bellon Lopez |
| ½-½ | 18 |
1976 |
Cirella di Diamante | B13 Caro-Kann, Exchange |
| 22. Jansa vs Kholmov |
 | 0-1 | 42 |
1976 |
Budapest TUN | B17 Caro-Kann, Steinitz Variation |
| 23. Jansa vs M Vukic |
| 1-0 | 55 |
1977 |
Rakovica | B13 Caro-Kann, Exchange |
| 24. Jansa vs Groszpeter |
| ½-½ | 23 |
1978 |
Budapest | B10 Caro-Kann |
| 25. Jansa vs J Nikolac |
| 0-1 | 61 |
1979 |
Dortmund | B19 Caro-Kann, Classical |