| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. G Lnenickova vs I Sitnik |
| 0-1 | 65 | 1997 | Ceske Budejovice op | B17 Caro-Kann, Steinitz Variation |
| 27. Z Gofshtein vs I Sitnik |
| 1-0 | 56 | 1997 | Nova Gorica op 2nd | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 28. I Sitnik vs D Pavasovic |
| 0-1 | 33 | 1997 | SLO-ch | D45 Queen's Gambit Declined Semi-Slav |
| 29. I Sitnik vs Tukmakov |
| 0-1 | 39 | 1997 | Ljubljana op 8th | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
| 30. V Sanduleac vs I Sitnik |
| ½-½ | 45 | 1998 | Samobor | B17 Caro-Kann, Steinitz Variation |
| 31. I Sitnik vs B Lalic |
| 0-1 | 39 | 1998 | Pula Open | D21 Queen's Gambit Accepted |
| 32. R Zelcic vs I Sitnik |
| 1-0 | 40 | 1998 | Pula Open | B17 Caro-Kann, Steinitz Variation |
| 33. A Gorbatov vs I Sitnik |
| 1-0 | 32 | 1998 | Pula Open | C01 French, Exchange |
| 34. I Sitnik vs B Lovric |
| 0-1 | 36 | 1999 | Zagreb op | A10 English |
| 35. I Sitnik vs S Draganic |
 | 1-0 | 45 | 1999 | Zagreb op | A57 Benko Gambit |
| 36. B Zetic vs I Sitnik |
| 0-1 | 51 | 1999 | Zagreb op | B17 Caro-Kann, Steinitz Variation |
| 37. Z Grdinic vs I Sitnik |
| 0-1 | 60 | 1999 | Zagreb op | D37 Queen's Gambit Declined |
| 38. I Sitnik vs S Sale |
| 0-1 | 58 | 1999 | Zagreb op | A61 Benoni |
| 39. I Sitnik vs Z Klaric |
| 1-0 | 33 | 1999 | Zagreb op | A40 Queen's Pawn Game |
| 40. I Zaja vs I Sitnik |
| ½-½ | 47 | 1999 | Zagreb op | E07 Catalan, Closed |
| 41. D Pavasovic vs I Sitnik |
| 1-0 | 56 | 1999 | Pula op 13th | B17 Caro-Kann, Steinitz Variation |
| 42. I Farago vs I Sitnik |
| ½-½ | 63 | 1999 | Ljubljana op 10th | D30 Queen's Gambit Declined |
| 43. Navara vs I Sitnik |
| 0-1 | 51 | 1999 | Mipap Cup | B17 Caro-Kann, Steinitz Variation |
| 44. I Sitnik vs Romanishin |
| 0-1 | 35 | 2000 | Bled op 21st | A53 Old Indian |
| 45. M Franic vs I Sitnik |
| ½-½ | 37 | 2000 | Sisak | A01 Nimzovich-Larsen Attack |
| 46. J Bizjak vs I Sitnik |
| 0-1 | 14 | 2001 | Nova Gorica Open | B10 Caro-Kann |
| 47. I Sitnik vs D Sermek |
| 0-1 | 38 | 2001 | Nova Gorica Open | A57 Benko Gambit |
| 48. I Sitnik vs A Jankovic |
| 1-0 | 32 | 2001 | Nova Gorica Open | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 49. V Nevednichy vs I Sitnik |
| 1-0 | 28 | 2001 | Nova Gorica Open | B12 Caro-Kann Defense |
| 50. I Sitnik vs L Nedimovic |
| ½-½ | 64 | 2001 | Nova Gorica Open | A80 Dutch |
Kibitzing
