| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. B Milic vs Ivkov |
| 1-0 | 46 |
1949 |
Zagreb ch-YU | E62 King's Indian, Fianchetto |
| 2. Gligoric vs Ivkov |
| ½-½ | 22 |
1954 |
Belgrade | E73 King's Indian |
| 3. B Rabar vs Ivkov |
| ½-½ | 25 |
1955 |
Zagreb | E75 King's Indian, Averbakh, Main line |
| 4. J H Donner vs Ivkov |
| ½-½ | 39 |
1955 |
Ch Club Argentino, Buenos Aires (Argentina) | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 5. Szabo vs Ivkov |
| 1-0 | 30 |
1955 |
Buenos Aires | E80 King's Indian, Samisch Variation |
| 6. B Rabar vs Ivkov |
| 1-0 | 42 |
1955 |
Novi Sad | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 7. G Porreca vs Ivkov |
| ½-½ | 24 |
1955 |
Zagreb | E61 King's Indian |
| 8. Martin vs Ivkov |
| 0-1 | 39 |
1955 |
Buenos Aires | E97 King's Indian |
| 9. Najdorf vs Ivkov |
| ½-½ | 32 |
1955 |
Mar del Plata | E94 King's Indian, Orthodox |
| 10. Minev vs Ivkov |
| ½-½ | 63 |
1955 |
Zagreb | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 11. Gligoric vs Ivkov |
| ½-½ | 41 |
1955 |
Buenos Aires | E64 King's Indian, Fianchetto, Yugoslav System |
| 12. Gligoric vs Ivkov |
 | 1-0 | 41 |
1955 |
Zagreb | E87 King's Indian, Samisch, Orthodox |
| 13. Golombek vs Ivkov |
| ½-½ | 19 |
1955 |
Hastings | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 14. Korchnoi vs Ivkov |
 | 1-0 | 36 |
1956 |
Hastings | E69 King's Indian, Fianchetto, Classical Main line |
| 15. Kozomara vs Ivkov |
| 0-1 | 57 |
1957 |
Sombor | E60 King's Indian Defense |
| 16. J H Donner vs Ivkov |
| 1-0 | 53 |
1957 |
Wageningen zt | E60 King's Indian Defense |
| 17. Filip vs Ivkov |
| ½-½ | 14 |
1958 |
Munich ol (Men) fin-A | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 18. K Lagha vs Ivkov |
| 0-1 | 31 |
1958 |
13th olm qual. group 4 | E67 King's Indian, Fianchetto |
| 19. A Aggos vs Ivkov |
| 0-1 | 40 |
1958 |
13th olm qual. group 4 | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 20. Pinzon vs Ivkov |
| 0-1 | 71 |
1959 |
Lima | E94 King's Indian, Orthodox |
| 21. Perez Alcocer Jose vs Ivkov |
| ½-½ | 71 |
1959 |
Lima | E92 King's Indian |
| 22. Espinoza vs Ivkov |
| ½-½ | 11 |
1959 |
Lima | E92 King's Indian |
| 23. Rebaza vs Ivkov |
| 0-1 | 33 |
1959 |
Lima | E94 King's Indian, Orthodox |
| 24. O Quinones vs Ivkov |
| ½-½ | 31 |
1959 |
Lima | E96 King's Indian, Orthodox, 7...Nbd7, Main line |
| 25. J Soler vs Ivkov |
| 0-1 | 54 |
1960 |
Leipzig olm prel | E67 King's Indian, Fianchetto |