| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. L Majstorovic vs M Udovcic |
| 0-1 | 49 | 1951 | Yugoslav Championship 1950 | B84 Sicilian, Scheveningen |
| 52. M Udovcic vs B Simonovic |
| 1-0 | 49 | 1951 | Yugoslav Championship 1950 | D22 Queen's Gambit Accepted |
| 53. S Nedeljkovic vs M Udovcic |
| 0-1 | 41 | 1951 | Yugoslav Championship 1950 | E67 King's Indian, Fianchetto |
| 54. M Udovcic vs A Fuderer |
| ½-½ | 46 | 1951 | Yugoslav Championship 1950 | D43 Queen's Gambit Declined Semi-Slav |
| 55. Kostic vs M Udovcic |
| ½-½ | 49 | 1951 | Yugoslav Championship 1950 | A02 Bird's Opening |
| 56. Gligoric vs M Udovcic |
| ½-½ | 50 | 1951 | Yugoslav Championship 1950 | E80 King's Indian, Samisch Variation |
| 57. M Udovcic vs M Bertok |
| 1-0 | 46 | 1951 | Yugoslav Championship 1950 | E60 King's Indian Defense |
| 58. A Matanovic vs M Udovcic |
| ½-½ | 48 | 1951 | Yugoslav Championship 1950 | C42 Petrov Defense |
| 59. M Udovcic vs M Vidmar Jr |
| ½-½ | 20 | 1951 | Yugoslav Championship 1950 | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 60. P Trifunovic vs M Udovcic |
| ½-½ | 48 | 1951 | Yugoslav Championship 1950 | C49 Four Knights |
| 61. P Trifunovic vs M Udovcic |
| 1-0 | 62 | 1951 | Yugoslav Zonal Qualifier | D02 Queen's Pawn Game |
| 62. B Milic vs M Udovcic |
| 1-0 | 40 | 1951 | Yugoslav Zonal Qualifier | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 63. M Udovcic vs Pirc |
| 0-1 | 49 | 1951 | Yugoslav Zonal Qualifier | B07 Pirc |
| 64. M Udovcic vs P Trifunovic |
| 0-1 | 34 | 1951 | Yugoslav Zonal Qualifier | B02 Alekhine's Defense |
| 65. M Udovcic vs B Milic |
| 0-1 | 81 | 1951 | Yugoslav Zonal Qualifier | A88 Dutch, Leningrad, Main Variation with c6 |
| 66. Pirc vs M Udovcic |
| ½-½ | 19 | 1951 | Yugoslav Zonal Qualifier | A49 King's Indian, Fianchetto without c4 |
| 67. M Udovcic vs G Fletzer |
| 0-1 | 31 | 1951 | ITA-YUG | D94 Grunfeld |
| 68. M Udovcic vs M Filipcic |
| 1-0 | 32 | 1951 | Croatian Championship | D60 Queen's Gambit Declined, Orthodox Defense |
| 69. R Kerr vs M Udovcic |
| 0-1 | 36 | 1951 | Croatian Championship | C50 Giuoco Piano |
| 70. M Bertok vs M Udovcic |
| ½-½ | 52 | 1951 | Croatian Championship | E78 King's Indian, Four Pawns Attack, with Be2 and Nf3 |
| 71. A Fuderer vs M Udovcic |
| 1-0 | 36 | 1951 | Croatian Championship | B07 Pirc |
| 72. M Udovcic vs B Rabar |
| 0-1 | 42 | 1951 | Yugoslav Championship | D30 Queen's Gambit Declined |
| 73. D Andric vs M Udovcic |
| 1-0 | 81 | 1951 | Yugoslav Championship | E94 King's Indian, Orthodox |
| 74. M Udovcic vs N Karaklajic |
| 1-0 | 47 | 1951 | Yugoslav Championship | D02 Queen's Pawn Game |
| 75. B Milic vs M Udovcic |
| ½-½ | 57 | 1951 | Yugoslav Championship | B09 Pirc, Austrian Attack |
Kibitzing
