| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Bertok vs Ivkov |
| ½-½ | 57 | 1951 | Yugoslav Championship | C97 Ruy Lopez, Closed, Chigorin |
| 2. R Bogdanovic vs Ivkov |
| ½-½ | 21 | 1955 | Yugoslav Championship | C97 Ruy Lopez, Closed, Chigorin |
| 3. F Benko vs Ivkov |
| 0-1 | 42 | 1955 | Club Argentino | C97 Ruy Lopez, Closed, Chigorin |
| 4. Smyslov vs Ivkov |
| ½-½ | 36 | 1955 | Zagreb | C97 Ruy Lopez, Closed, Chigorin |
| 5. A Matanovic vs Ivkov |
| ½-½ | 28 | 1956 | Yugoslav Championship | C97 Ruy Lopez, Closed, Chigorin |
| 6. Tal vs Ivkov |
  | 1-0 | 33 | 1956 | Uppsala | C97 Ruy Lopez, Closed, Chigorin |
| 7. L Schmid vs Ivkov |
| ½-½ | 32 | 1956 | Yugoslavia - West Germany | C97 Ruy Lopez, Closed, Chigorin |
| 8. Bronstein vs Ivkov |
| ½-½ | 27 | 1956 | Moscow Olympiad Final-A | C97 Ruy Lopez, Closed, Chigorin |
| 9. A Bradvarevic vs Ivkov |
| ½-½ | 72 | 1957 | Yugoslav Championship | C97 Ruy Lopez, Closed, Chigorin |
| 10. L Schmid vs Ivkov |
| 1-0 | 42 | 1957 | EUR-chT (Men) 1st | C97 Ruy Lopez, Closed, Chigorin |
| 11. M Vukcevich vs Ivkov |
| ½-½ | 16 | 1958 | Yugoslav Championship | C97 Ruy Lopez, Closed, Chigorin |
| 12. A Matanovic vs Ivkov |
| ½-½ | 21 | 1958 | Yugoslav Championship | C97 Ruy Lopez, Closed, Chigorin |
| 13. Korchnoi vs Ivkov |
| 0-1 | 60 | 1958 | Yugoslavia - Soviet Union | C97 Ruy Lopez, Closed, Chigorin |
| 14. N Padevsky vs Ivkov |
| ½-½ | 70 | 1959 | Dresden | C97 Ruy Lopez, Closed, Chigorin |
| 15. F Olafsson vs Ivkov |
| ½-½ | 36 | 1960 | Buenos Aires | C97 Ruy Lopez, Closed, Chigorin |
| 16. Keres vs Ivkov |
| 1-0 | 33 | 1961 | Bled | C97 Ruy Lopez, Closed, Chigorin |
| 17. Stein vs Ivkov |
| ½-½ | 22 | 1962 | Soviet Union - Yugoslavia | C97 Ruy Lopez, Closed, Chigorin |
| 18. Parma vs Ivkov |
| ½-½ | 44 | 1962 | Yugoslav Championship 1963 | C97 Ruy Lopez, Closed, Chigorin |
| 19. Shamkovich vs Ivkov |
| ½-½ | 31 | 1963 | Sarajevo | C97 Ruy Lopez, Closed, Chigorin |
| 20. P Trifunovic vs Ivkov |
| ½-½ | 41 | 1963 | Halle Zonal | C97 Ruy Lopez, Closed, Chigorin |
| 21. Geller vs Ivkov |
| 1-0 | 65 | 1963 | Capablanca Memorial | C97 Ruy Lopez, Closed, Chigorin |
| 22. Matulovic vs Ivkov |
| 0-1 | 42 | 1964 | Belgrade | C97 Ruy Lopez, Closed, Chigorin |
| 23. Ujtumen vs Ivkov |
| 0-1 | 39 | 1966 | Havana Olympiad qual-2 | C97 Ruy Lopez, Closed, Chigorin |
| 24. A Medina Garcia vs Ivkov |
| 0-1 | 72 | 1966 | Palma de Mallorca | C97 Ruy Lopez, Closed, Chigorin |
| 25. Geller vs Ivkov |
| 1-0 | 58 | 1967 | Yugoslavia - Soviet Union | C97 Ruy Lopez, Closed, Chigorin |
Kibitzing
