| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. I Radulov vs P Mertens |
| 1-0 | 22 |
1966 |
Orebro Stud olm prelim5 | B45 Sicilian, Taimanov |
| 2. I Radulov vs Gipslis |
| 0-1 | 32 |
1966 |
Tbilisi (Georgia) | B48 Sicilian, Taimanov Variation |
| 3. I Radulov vs Suetin |
| 0-1 | 39 |
1969 |
La Habana 8/353 | B48 Sicilian, Taimanov Variation |
| 4. I Radulov vs Taimanov |
| 0-1 | 20 |
1970 |
? | B48 Sicilian, Taimanov Variation |
| 5. I Radulov vs Suetin |
| ½-½ | 26 |
1970 |
Budapest | B48 Sicilian, Taimanov Variation |
| 6. I Radulov vs Ulf Andersson |
 | ½-½ | 50 |
1972 |
Hastings (England) | B48 Sicilian, Taimanov Variation |
| 7. I Radulov vs S Semkov |
| 1-0 | 29 |
1977 |
Bulgaria | B45 Sicilian, Taimanov |
| 8. I Radulov vs Marjanovic |
| 1-0 | 37 |
1982 |
Belgrade (Yugoslavia) | B48 Sicilian, Taimanov Variation |
| 9. I Radulov vs Matulovic |
| ½-½ | 15 |
1983 |
Vrnjacka Banja | B45 Sicilian, Taimanov |
| 10. I Radulov vs Romanishin |
| 0-1 | 39 |
1983 |
Indonesien | B46 Sicilian, Taimanov Variation |