| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. V Zakhartsov vs K Stupak |
| 1-0 | 27 | 2006 | Lvov Vasylyshyn mem | E00 Queen's Pawn Game |
| 27. V Konovalov vs K Stupak |
| 0-1 | 25 | 2007 | Nezhmetdinov Memorial | C04 French, Tarrasch, Guimard Main line |
| 28. K Stupak vs D Kokarev |
| ½-½ | 30 | 2007 | Nezhmetdinov Memorial | A45 Queen's Pawn Game |
| 29. A Isajevsky vs K Stupak |
| ½-½ | 18 | 2007 | Nezhmetdinov Memorial | A40 Queen's Pawn Game |
| 30. K Stupak vs A Alavkin |
| ½-½ | 24 | 2007 | Nezhmetdinov Memorial | D02 Queen's Pawn Game |
| 31. Kupreichik vs K Stupak |
| 1-0 | 39 | 2007 | Nezhmetdinov Memorial | A30 English, Symmetrical |
| 32. K Stupak vs A Shkuro |
| 1-0 | 79 | 2007 | Nezhmetdinov Memorial | A45 Queen's Pawn Game |
| 33. O Yaksin vs K Stupak |
| 0-1 | 39 | 2007 | Nezhmetdinov Memorial | A40 Queen's Pawn Game |
| 34. K Stupak vs Khismatullin |
| 1-0 | 33 | 2007 | Nezhmetdinov Memorial | A45 Queen's Pawn Game |
| 35. Z Jovanovic vs K Stupak |
| ½-½ | 25 | 2007 | Czech Open-A | C10 French |
| 36. K Stupak vs P Jaracz |
| 0-1 | 20 | 2007 | Czech Open-A | A45 Queen's Pawn Game |
| 37. K Stupak vs P Vavra |
| 1-0 | 43 | 2007 | Czech Open-A | A40 Queen's Pawn Game |
| 38. S Kasparov vs K Stupak |
| ½-½ | 30 | 2007 | Czech Open-A | A60 Benoni Defense |
| 39. G Schebler vs K Stupak |
| ½-½ | 54 | 2007 | Czech Open-A | E00 Queen's Pawn Game |
| 40. K Stupak vs N Azarova |
| ½-½ | 81 | 2008 | Inautomarket Open | E06 Catalan, Closed, 5.Nf3 |
| 41. K Stupak vs A Ivanov |
| 1-0 | 24 | 2008 | Inautomarket Open | A45 Queen's Pawn Game |
| 42. A Zhigalko vs K Stupak |
| ½-½ | 27 | 2008 | Inautomarket Open | C10 French |
| 43. K Stupak vs I Popov |
| ½-½ | 11 | 2008 | Inautomarket Open | D15 Queen's Gambit Declined Slav |
| 44. Khismatullin vs K Stupak |
| 1-0 | 21 | 2008 | Inautomarket Open | A60 Benoni Defense |
| 45. B Deruni vs K Stupak |
| 0-1 | 72 | 2008 | World Junior Championship | A70 Benoni, Classical with 7.Nf3 |
| 46. B Rzayev vs K Stupak |
| 0-1 | 40 | 2008 | World Junior Championship | A07 King's Indian Attack |
| 47. K Stupak vs N Nguyen |
| 0-1 | 69 | 2008 | World Junior Championship | A49 King's Indian, Fianchetto without c4 |
| 48. K Stupak vs R Mamedov |
| 1-0 | 69 | 2008 | World Junior Championship | A45 Queen's Pawn Game |
| 49. B Amin vs K Stupak |
| 0-1 | 86 | 2008 | World Junior Championship | A07 King's Indian Attack |
| 50. K Stupak vs A Braun |
| 0-1 | 43 | 2008 | World Junior Championship | D43 Queen's Gambit Declined Semi-Slav |
Kibitzing
