| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. L Spassov vs Keene |
| ½-½ | 24 |
1966 |
Oerebro (Sweden) | B77 Sicilian, Dragon, Yugoslav Attack |
| 2. L Spassov vs E Scholl |
| ½-½ | 74 |
1966 |
Orebro Stud olm fA | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 3. Gulko vs L Spassov |
| ½-½ | 26 |
1966 |
Orebro Stud olm fA | C67 Ruy Lopez |
| 4. L Spassov vs Suetin |
| ½-½ | 34 |
1970 |
Albena (Bulgaria) | A56 Benoni Defense |
| 5. L Spassov vs Minev |
| ½-½ | 51 |
1971 |
Varna | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 6. Tringov vs L Spassov |
| ½-½ | 22 |
1972 |
Varna | B84 Sicilian, Scheveningen |
| 7. Tringov vs L Spassov |
| ½-½ | 21 |
1974 |
BUL-ch | B83 Sicilian |
| 8. Plachetka vs L Spassov |
| ½-½ | 22 |
1974 |
Nice ol (Men) fin-A | E13 Queen's Indian, 4.Nc3, Main line |
| 9. Minev vs L Spassov |
| ½-½ | 26 |
1975 |
Albena | A64 Benoni, Fianchetto, 11...Re8 |
| 10. Bronstein vs L Spassov |
 | ½-½ | 75 |
1977 |
Budapest | E23 Nimzo-Indian, Spielmann |
| 11. L Spassov vs Ivkov |
| ½-½ | 29 |
1977 |
EU-chT Moscow | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 12. L Spassov vs C Niklasson |
| ½-½ | 42 |
1977 |
Stara Zagora | A04 Reti Opening |
| 13. L Spassov vs A J Whiteley |
| ½-½ | 20 |
1977 |
EU-chT (Men) | E94 King's Indian, Orthodox |
| 14. J Lechtynsky vs L Spassov |
| ½-½ | 27 |
1977 |
EU-chT (Men) | E12 Queen's Indian |
| 15. L Spassov vs Matulovic |
| ½-½ | 16 |
1977 |
Concordia | A36 English |
| 16. L Spassov vs Romanishin |
| ½-½ | 28 |
1978 |
Buenos Aires | E12 Queen's Indian |
| 17. L Spassov vs Filip |
| ½-½ | 15 |
1979 |
Rubinstein Mem | A35 English, Symmetrical |
| 18. Razuvaev vs L Spassov |
| ½-½ | 25 |
1979 |
Rubinstein mem | E17 Queen's Indian |
| 19. Jansa vs L Spassov |
| ½-½ | 27 |
1979 |
Polanica Zdroj | B64 Sicilian, Richter-Rauzer Attack |
| 20. L Spassov vs G Timoshchenko |
| ½-½ | 14 |
1979 |
Rubinstein mem | D56 Queen's Gambit Declined |
| 21. Vaganian vs L Spassov |
| ½-½ | 63 |
1980 |
Sochi | A30 English, Symmetrical |
| 22. W Schmidt vs L Spassov |
| ½-½ | 18 |
1980 |
Makarczyk mem | A30 English, Symmetrical |
| 23. J Bielczyk vs L Spassov |
| ½-½ | 31 |
1980 |
Polanica Zdroj | B93 Sicilian, Najdorf, 6.f4 |
| 24. Jansa vs L Spassov |
| ½-½ | 31 |
1980 |
Sochi | B62 Sicilian, Richter-Rauzer |
| 25. L Spassov vs Tseshkovsky |
| ½-½ | 61 |
1980 |
Sochi | A30 English, Symmetrical |