| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Udovcic vs Gligoric |
| 1-0 | 27 |
1951 |
YUG-ch 7th | E60 King's Indian Defense |
| 2. Udovcic vs Wade |
| ½-½ | 29 |
1953 |
Opatija | E64 King's Indian, Fianchetto, Yugoslav System |
| 3. Udovcic vs Gligoric |
| ½-½ | 20 |
1955 |
YUG-ch | E65 King's Indian, Fianchetto, Yugoslav, 7.O-O |
| 4. Udovcic vs Geller |
| 0-1 | 41 |
1955 |
Zagreb | E94 King's Indian, Orthodox |
| 5. Udovcic vs Boleslavsky |
| 0-1 | 34 |
1956 |
YUG-URS | E67 King's Indian, Fianchetto |
| 6. Udovcic vs Gligoric |
| ½-½ | 31 |
1959 |
YUG-ch | E62 King's Indian, Fianchetto |
| 7. Udovcic vs M Bertok |
| 0-1 | 48 |
1961 |
Bled | E69 King's Indian, Fianchetto, Classical Main line |
| 8. Udovcic vs F Kuijpers |
| 1-0 | 39 |
1963 |
IBM | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 9. Udovcic vs B Vladimirov |
| ½-½ | 48 |
1964 |
URS-YUG | E62 King's Indian, Fianchetto |
| 10. Udovcic vs Taimanov |
| ½-½ | 47 |
1964 |
Capablanca mem | E91 King's Indian |
| 11. Udovcic vs Gligoric |
 | 0-1 | 35 |
1965 |
Zagreb | E60 King's Indian Defense |
| 12. Udovcic vs D Marovic |
| ½-½ | 17 |
1965 |
Zagreb | E69 King's Indian, Fianchetto, Classical Main line |
| 13. Udovcic vs Boleslavsky |
| 0-1 | 42 |
1965 |
EU-chT (Men) | E63 King's Indian, Fianchetto, Panno Variation |
| 14. Udovcic vs Gligoric |
| ½-½ | 40 |
1966 |
Titovo Uzice | E70 King's Indian |
| 15. Udovcic vs Tringov |
| ½-½ | 43 |
1967 |
October Revolution 50 | E69 King's Indian, Fianchetto, Classical Main line |
| 16. Udovcic vs Suetin |
| 0-1 | 43 |
1967 |
Leningrad | E63 King's Indian, Fianchetto, Panno Variation |
| 17. Udovcic vs B Vladimirov |
| 1-0 | 39 |
1967 |
October Revolution 50 | E62 King's Indian, Fianchetto |
| 18. Udovcic vs Hort |
| 1-0 | 38 |
1969 |
Zagreb | E92 King's Indian |
| 19. Udovcic vs Ivkov |
| 0-1 | 47 |
1970 |
Rovinj/Zagreb | E67 King's Indian, Fianchetto |
