| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Grischuk vs M Sebenik |
| 1-0 | 29 |
1993 |
Wch U10 | B18 Caro-Kann, Classical |
| 2. M Sebenik vs Akobian |
| ½-½ | 27 |
1993 |
Wch U10 | A57 Benko Gambit |
| 3. M Sebenik vs Akobian |
| 0-1 | 37 |
1994 |
EU-ch U12 | A39 English, Symmetrical, Main line with d4 |
| 4. U Kavcic vs M Sebenik |
| 1-0 | 27 |
1994 |
Tournament 2 | C31 King's Gambit Declined, Falkbeer Counter Gambit |
| 5. G Sargissian vs M Sebenik |
| 1-0 | 35 |
1997 |
Wch U14 | B32 Sicilian |
| 6. Pavasovic vs M Sebenik |
| ½-½ | 49 |
1999 |
SLO-ch | B30 Sicilian |
| 7. M Sebenik vs D Keller |
| 1-0 | 39 |
1999 |
Finkenstein Open | E60 King's Indian Defense |
| 8. M Sebenik vs H Geanta |
| ½-½ | 44 |
2000 |
t-EuCh U18 | E11 Bogo-Indian Defense |
| 9. M Sebenik vs A Saric |
| ½-½ | 41 |
2000 |
t-EuCh U18 | E11 Bogo-Indian Defense |
| 10. M Sebenik vs Pavasovic |
| ½-½ | 32 |
2000 |
Ljubljana op 11th | D45 Queen's Gambit Declined Semi-Slav |
| 11. P Vavrak vs M Sebenik |
| 1-0 | 30 |
2000 |
t-EuCh U18 | A16 English |
| 12. G Timoshchenko vs M Sebenik |
| 1-0 | 28 |
2000 |
Ljubljana op 11th | D85 Grunfeld |
| 13. M Sebenik vs S Kristjansson |
| 1-0 | 42 |
2000 |
t-EuCh U18 | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 14. R Loetscher vs M Sebenik |
| ½-½ | 53 |
2000 |
t-EuCh U18 | D82 Grunfeld, 4.Bf4 |
| 15. F Langheinrich vs M Sebenik |
| 1-0 | 41 |
2000 |
t-EuCh U18 | B30 Sicilian |
| 16. M Sebenik vs F Berkes |
 | 0-1 | 52 |
2001 |
TCh-Europe Boys U18 | D63 Queen's Gambit Declined, Orthodox Defense |
| 17. P Horvath vs M Sebenik |
| 1-0 | 37 |
2001 |
Faakersee Open | A45 Queen's Pawn Game |
| 18. J Netzer vs M Sebenik |
| ½-½ | 46 |
2001 |
TCh-Europe Boys U18 | B33 Sicilian |
| 19. R Raev vs M Sebenik |
| 0-1 | 44 |
2001 |
EYCC B18 | A22 English |
| 20. V Hresc vs M Sebenik |
| ½-½ | 58 |
2001 |
Faakersee Open | C07 French, Tarrasch |
| 21. M Sebenik vs J Markos |
| ½-½ | 41 |
2001 |
TCh-Europe Boys U18 | E11 Bogo-Indian Defense |
| 22. M Sebenik vs V Hari |
| 1-0 | 40 |
2001 |
Faakersee Open | E64 King's Indian, Fianchetto, Yugoslav System |
| 23. G Botezatu vs M Sebenik |
| 1-0 | 39 |
2001 |
EYCC B18 | B30 Sicilian |
| 24. M Sebenik vs M Schneider |
 | 1-0 | 46 |
2001 |
Faakersee Open | D10 Queen's Gambit Declined Slav |
| 25. N Firman vs M Sebenik |
| 1-0 | 40 |
2001 |
TCh-Europe Boys U18 | B33 Sicilian |