| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. R Bogdanovic vs Ivkov |
| ½-½ | 21 | 1955 | Yugoslav Championship | C97 Ruy Lopez, Closed, Chigorin |
| 2. F Benko vs Ivkov |
| 0-1 | 42 | 1955 | Club Argentino | C97 Ruy Lopez, Closed, Chigorin |
| 3. Smyslov vs Ivkov |
| ½-½ | 36 | 1955 | Zagreb | C97 Ruy Lopez, Closed, Chigorin |
| 4. L Schmid vs Ivkov |
| ½-½ | 32 | 1956 | YUG-GER | C97 Ruy Lopez, Closed, Chigorin |
| 5. Tal vs Ivkov |
  | 1-0 | 33 | 1956 | Uppsala | C97 Ruy Lopez, Closed, Chigorin |
| 6. Bronstein vs Ivkov |
| ½-½ | 27 | 1956 | Moscow Olympiad Final-A | C97 Ruy Lopez, Closed, Chigorin |
| 7. A Bradvarevic vs Ivkov |
| ½-½ | 72 | 1957 | Yugoslav Championship | C97 Ruy Lopez, Closed, Chigorin |
| 8. L Schmid vs Ivkov |
| 1-0 | 42 | 1957 | EUR-chT (Men) 1st | C97 Ruy Lopez, Closed, Chigorin |
| 9. Vukcevich vs Ivkov |
| ½-½ | 16 | 1958 | YUG-ch 13th | C97 Ruy Lopez, Closed, Chigorin |
| 10. A Matanovic vs Ivkov |
| ½-½ | 21 | 1958 | YUG-ch 13th | C97 Ruy Lopez, Closed, Chigorin |
| 11. Korchnoi vs Ivkov |
| 0-1 | 60 | 1958 | YUG-URS | C97 Ruy Lopez, Closed, Chigorin |
| 12. N Padevsky vs Ivkov |
| ½-½ | 70 | 1959 | Dresden | C97 Ruy Lopez, Closed, Chigorin |
| 13. F Olafsson vs Ivkov |
| ½-½ | 36 | 1960 | Buenos Aires | C97 Ruy Lopez, Closed, Chigorin |
| 14. Keres vs Ivkov |
| 1-0 | 33 | 1961 | Bled | C97 Ruy Lopez, Closed, Chigorin |
| 15. Stein vs Ivkov |
| ½-½ | 22 | 1962 | URS-YUG | C97 Ruy Lopez, Closed, Chigorin |
| 16. Parma vs Ivkov |
| ½-½ | 44 | 1962 | YUG-ch 18th | C97 Ruy Lopez, Closed, Chigorin |
| 17. Shamkovich vs Ivkov |
| ½-½ | 31 | 1963 | Sarajevo | C97 Ruy Lopez, Closed, Chigorin |
| 18. P Trifunovic vs Ivkov |
| ½-½ | 41 | 1963 | Halle Zonal | C97 Ruy Lopez, Closed, Chigorin |
| 19. Geller vs Ivkov |
| 1-0 | 65 | 1963 | Capablanca Memorial 2nd | C97 Ruy Lopez, Closed, Chigorin |
| 20. Matulovic vs Ivkov |
| 0-1 | 42 | 1964 | Belgrade | C97 Ruy Lopez, Closed, Chigorin |
| 21. Ujtumen vs Ivkov |
| 0-1 | 39 | 1966 | Havana Olympiad qual-2 | C97 Ruy Lopez, Closed, Chigorin |
| 22. A Medina Garcia vs Ivkov |
| 0-1 | 72 | 1966 | Palma de Mallorca | C97 Ruy Lopez, Closed, Chigorin |
| 23. Geller vs Ivkov |
| 1-0 | 58 | 1967 | YUG-URS | C97 Ruy Lopez, Closed, Chigorin |
| 24. F Kuijpers vs Ivkov |
| 0-1 | 50 | 1968 | Amsterdam IBM | C97 Ruy Lopez, Closed, Chigorin |
| 25. Westerinen vs Ivkov |
| 0-1 | 41 | 1968 | Palma de Mallorca | C97 Ruy Lopez, Closed, Chigorin |
Kibitzing
