| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. I Sitnik vs H Herndl |
| ½-½ | 44 | 1988 | Hallein Open | D32 Queen's Gambit Declined, Tarrasch |
| 2. S Mooser vs I Sitnik |
| ½-½ | 42 | 1988 | Hallein Open | B14 Caro-Kann, Panov-Botvinnik Attack |
| 3. I Sitnik vs J Bauer |
| 0-1 | 34 | 1988 | Hallein Open | D32 Queen's Gambit Declined, Tarrasch |
| 4. I Sitnik vs A Giessmann |
| 1-0 | 38 | 1988 | Hallein Open | A80 Dutch |
| 5. V Secula vs I Sitnik |
| 0-1 | 29 | 1988 | Hallein Open | A46 Queen's Pawn Game |
| 6. I Sitnik vs L Neckar |
| 0-1 | 37 | 1988 | Hallein Open | D31 Queen's Gambit Declined |
| 7. I Sitnik vs Z Jeraj |
| 0-1 | 28 | 1991 | Bled Open | D38 Queen's Gambit Declined, Ragozin Variation |
| 8. E Burnazovic vs I Sitnik |
| 1-0 | 36 | 1993 | Ljubljana Open | D00 Queen's Pawn Game |
| 9. M Podvrsnik vs I Sitnik |
| 1-0 | 62 | 1993 | Ljubljana Open | E07 Catalan, Closed |
| 10. Psakhis vs I Sitnik |
| 1-0 | 47 | 1995 | 3rd Portoroz Open | D37 Queen's Gambit Declined |
| 11. B Podlesnik vs I Sitnik |
| 1-0 | 20 | 1995 | Ljubljana Open | B17 Caro-Kann, Steinitz Variation |
| 12. D Gazarek vs I Sitnik |
| ½-½ | 43 | 1995 | Ljubljana Open | E07 Catalan, Closed |
| 13. V Zheliandinov vs I Sitnik |
| 1-0 | 38 | 1995 | Ljubljana Open | E09 Catalan, Closed |
| 14. I Sitnik vs D Brumen |
| ½-½ | 60 | 1995 | Ljubljana Open | D35 Queen's Gambit Declined |
| 15. I Sitnik vs D Pavasovic |
| 0-1 | 15 | 1996 | 4th Portoroz Open | D44 Queen's Gambit Declined Semi-Slav |
| 16. I Sitnik vs A Drei |
| 1-0 | 52 | 1996 | Bled Open | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 17. P Soln vs I Sitnik |
| 0-1 | 40 | 1996 | Bled Open | D35 Queen's Gambit Declined |
| 18. M Stojnic vs I Sitnik |
| 0-1 | 34 | 1996 | Bled Open | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 19. I Sitnik vs S Savchenko |
| 1-0 | 42 | 1996 | Bled Open | A60 Benoni Defense |
| 20. I Sitnik vs M Cebalo |
| 1-0 | 45 | 1996 | Bled Open | E91 King's Indian |
| 21. A Beliavsky vs I Sitnik |
| 1-0 | 60 | 1996 | Bled Open | D37 Queen's Gambit Declined |
| 22. I Sitnik vs I Novikov |
| ½-½ | 46 | 1996 | Bled Open | D43 Queen's Gambit Declined Semi-Slav |
| 23. Z Kozul vs I Sitnik |
| 1-0 | 48 | 1996 | Bled Open | A14 English |
| 24. I Sitnik vs D Pavasovic |
| 0-1 | 33 | 1997 | SLO-ch | D45 Queen's Gambit Declined Semi-Slav |
| 25. Z Gofshtein vs I Sitnik |
| 1-0 | 56 | 1997 | Nova Gorica op 2nd | B11 Caro-Kann, Two Knights, 3...Bg4 |
Kibitzing
