| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Popov vs Ujtelky |
| ½-½ | 42 |
1960 |
Budapest zt | A42 Modern Defense, Averbakh System |
| 2. M Bertok vs Ujtelky |
| ½-½ | 48 |
1960 |
Budapest zt | A42 Modern Defense, Averbakh System |
| 3. Kavalek vs Ujtelky |
 | 0-1 | 23 |
1961 |
CSR-ch | A42 Modern Defense, Averbakh System |
| 4. J Trapl vs Ujtelky |
| ½-½ | 56 |
1963 |
CSR-ch | A42 Modern Defense, Averbakh System |
| 5. L Alster vs Ujtelky |
 | 1-0 | 41 |
1963 |
CSR-ch | A42 Modern Defense, Averbakh System |
| 6. N Padevsky vs Ujtelky |
 | 0-1 | 47 |
1963 |
Rubinstein mem | A42 Modern Defense, Averbakh System |
| 7. Pachman vs Ujtelky |
| 1-0 | 50 |
1963 |
CSR-ch | A42 Modern Defense, Averbakh System |
| 8. H Fronczek vs Ujtelky |
| 1-0 | 31 |
1963 |
Rubinstein mem | A42 Modern Defense, Averbakh System |
| 9. A Lein vs Ujtelky |
| 1-0 | 53 |
1964 |
Chigorin mem | A42 Modern Defense, Averbakh System |
| 10. L Alster vs Ujtelky |
| 1-0 | 62 |
1964 |
CSR-ch | A42 Modern Defense, Averbakh System |
| 11. L Lengyel vs Ujtelky |
| 1-0 | 40 |
1966 |
Rubinstein mem 04th | A42 Modern Defense, Averbakh System |
| 12. A Filipowicz vs Ujtelky |
 | 1-0 | 47 |
1966 |
Rubinstein mem 04th | A42 Modern Defense, Averbakh System |
| 13. Garcia vs Ujtelky |
| 1-0 | 25 |
1967 |
Hoogovens-B | A42 Modern Defense, Averbakh System |
| 14. J Trmal vs Ujtelky |
| 1-0 | 42 |
1967 |
CSR-ch | A42 Modern Defense, Averbakh System |
| 15. E Gereben vs Ujtelky |
 | 1-0 | 38 |
1967 |
Monte Carlo-B | A42 Modern Defense, Averbakh System |
| 16. D Andric vs Ujtelky |
| 1-0 | 57 |
1968 |
Belgrade | A42 Modern Defense, Averbakh System |
| 17. T Van Scheltinga vs Ujtelky |
| ½-½ | 36 |
1969 |
IBM-B | A42 Modern Defense, Averbakh System |
| 18. Lehmann vs Ujtelky |
| 1-0 | 34 |
1969 |
Tatran Cup 17th | A42 Modern Defense, Averbakh System |
| 19. J Diez del Corral vs Ujtelky |
| 1-0 | 36 |
1969 |
IBM-B | A42 Modern Defense, Averbakh System |
| 20. B Sandor vs Ujtelky |
| 0-1 | 63 |
1969 |
Hoogovens-B | A42 Modern Defense, Averbakh System |
| 21. I Farago vs Ujtelky |
| 1-0 | 54 |
1974 |
Rimavska Sobota | A42 Modern Defense, Averbakh System |
| 22. G Moehring vs Ujtelky |
| 1-0 | 50 |
1978 |
Zamardi | A42 Modern Defense, Averbakh System |
| 23. F Portisch vs Ujtelky |
| 1-0 | 34 |
1978 |
Zamardi | A42 Modern Defense, Averbakh System |
| 24. Pinter vs Ujtelky |
| 0-1 | 56 |
1978 |
Zamardi | A42 Modern Defense, Averbakh System |
| 25. L Zsinka vs Ujtelky |
| 1-0 | 36 |
1979 |
Zamardi ELE op | A42 Modern Defense, Averbakh System |