| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Ivkov vs Pirc |
| ½-½ | 40 | 1952 | Yugoslav Championship | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 2. Ivkov vs K Darga |
| ½-½ | 51 | 1953 | World Junior Championship Final-A | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 3. Ivkov vs C van den Berg |
 | 1-0 | 37 | 1961 | Hoogovens | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 4. Ivkov vs K Darga |
| ½-½ | 57 | 1962 | Sarajevo | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 5. Ivkov vs J Rejfir |
| 1-0 | 43 | 1962 | Sarajevo | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 6. Ivkov vs Janosevic |
| 1-0 | 33 | 1962 | Belgrade | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 7. Ivkov vs Parma |
| ½-½ | 43 | 1964 | Belgrade | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 8. Ivkov vs Najdorf |
| ½-½ | 20 | 1966 | Second Piatigorsky Cup | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 9. Ivkov vs Petrosian |
| ½-½ | 30 | 1966 | Second Piatigorsky Cup | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 10. Ivkov vs A Matanovic |
| ½-½ | 14 | 1967 | Maribor | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 11. Ivkov vs Korchnoi |
 | 0-1 | 60 | 1968 | Hoogovens | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 12. Ivkov vs Korchnoi |
| 0-1 | 36 | 1968 | Lugano Olympiad Final-A | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 13. Ivkov vs A Matanovic |
| ½-½ | 18 | 1968 | Palma de Mallorca | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 14. Ivkov vs Gheorghiu |
| ½-½ | 20 | 1968 | Palma de Mallorca | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 15. Ivkov vs Lengyel |
| ½-½ | 26 | 1969 | Venice | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 16. Ivkov vs A Matanovic |
| ½-½ | 13 | 1969 | Kostic Memorial | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 17. Ivkov vs A Matanovic |
| ½-½ | 17 | 1969 | Raach Zonal | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 18. Ivkov vs Kholmov |
| ½-½ | 49 | 1970 | Budapest | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 19. Ivkov vs Gheorghiu |
| ½-½ | 18 | 1970 | Budapest | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 20. Ivkov vs Polugaevsky |
| ½-½ | 16 | 1970 | Palma de Mallorca Interzonal | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 21. Ivkov vs I Bilek |
| ½-½ | 18 | 1971 | Stockholm 1970/71 | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 22. Ivkov vs Najdorf |
| 1-0 | 58 | 1971 | Hoogovens | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 23. Ivkov vs Portisch |
| ½-½ | 15 | 1971 | Amsterdam IBM | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 24. Ivkov vs A Lombard |
| 1-0 | 41 | 1972 | Skopje Olympiad Final-A | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 25. Ivkov vs Dzindzichashvili |
| ½-½ | 41 | 1973 | Soviet Union - Yugoslavia | E19 Queen's Indian, Old Main line, 9.Qxc3 |
Kibitzing
