| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. D Rajkovic vs I Radulov |
| 0-1 | 40 |
1966 |
Orebro Stud olm fA | D55 Queen's Gambit Declined |
| 2. I Brander vs I Radulov |
| 1-0 | 60 |
1966 |
Orebro Stud olm fA | D50 Queen's Gambit Declined |
| 3. Platonov vs I Radulov |
| 1-0 | 34 |
1967 |
Sofia (Bulgaria) | D55 Queen's Gambit Declined |
| 4. Minev vs I Radulov |
| 1-0 | 52 |
1968 |
Varna | D55 Queen's Gambit Declined |
| 5. Korchnoi vs I Radulov |
| ½-½ | 41 |
1969 |
La Habana 8/492 | D54 Queen's Gambit Declined, Anti-Neo-Orthodox Variation |
| 6. Bobotsov vs I Radulov |
| 1-0 | 35 |
1971 |
Varna | D63 Queen's Gambit Declined, Orthodox Defense |
| 7. Gligoric vs I Radulov |
| ½-½ | 48 |
1971 |
Venice | D55 Queen's Gambit Declined |
| 8. K Darga vs I Radulov |
| ½-½ | 21 |
1972 |
Skopje ol (Men) fin-A | D55 Queen's Gambit Declined |
| 9. Timman vs I Radulov |
| 1-0 | 36 |
1973 |
Amsterdam IBM | D55 Queen's Gambit Declined |
| 10. Plachetka vs I Radulov |
| ½-½ | 20 |
1976 |
Decin-A | D60 Queen's Gambit Declined, Orthodox Defense |
| 11. Smejkal vs I Radulov |
| 1-0 | 40 |
1977 |
October Revolution 60 | D66 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 12. A Kuligowski vs I Radulov |
| 1-0 | 36 |
1979 |
Smederevska Palanka | D63 Queen's Gambit Declined, Orthodox Defense |
| 13. B Brinck-Claussen vs I Radulov |
| ½-½ | 13 |
1981 |
Politiken Cup | D63 Queen's Gambit Declined, Orthodox Defense |
| 14. W Schmidt vs I Radulov |
| 1-0 | 59 |
1982 |
Baile Herculane zt | D55 Queen's Gambit Declined |
| 15. Ftacnik vs I Radulov |
| 1-0 | 31 |
1982 |
Baile Herculane zt | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 16. Vaganian vs I Radulov |
| 1-0 | 35 |
1986 |
Dubai olm ;TD 8602 | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 17. Skembris vs I Radulov |
| ½-½ | 44 |
2001 |
Antalya TUR | D60 Queen's Gambit Declined, Orthodox Defense |
| 18. M Matlak vs I Radulov |
| 1-0 | 42 |
2001 |
FSGM June | D55 Queen's Gambit Declined |
