| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Konnyu vs I Sipos |
| 1-0 | 33 | 2010 | FSGM March | B98 Sicilian, Najdorf |
| 27. I Sipos vs Z Varga |
| 0-1 | 50 | 2010 | FSGM March | B04 Alekhine's Defense, Modern |
| 28. L Gonda vs I Sipos |
| 1-0 | 47 | 2010 | FSGM March | A61 Benoni |
| 29. I Sipos vs B Olape |
| 1-0 | 70 | 2010 | FSGM March | C43 Petrov, Modern Attack |
| 30. Yu Lie vs I Sipos |
| ½-½ | 20 | 2010 | FSGM March | B90 Sicilian, Najdorf |
| 31. I Sipos vs M Simantsev |
| ½-½ | 15 | 2010 | FSGM March | C45 Scotch Game |
| 32. I Sipos vs A Tomazini |
| ½-½ | 52 | 2010 | Mitropa Cup | B04 Alekhine's Defense, Modern |
| 33. R Buss vs I Sipos |
| 1-0 | 46 | 2010 | Mitropa Cup | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 34. T Petenyi vs I Sipos |
| ½-½ | 85 | 2010 | Mitropa Cup | B90 Sicilian, Najdorf |
| 35. I Sipos vs D Kuljasevic |
| ½-½ | 12 | 2011 | Berkeley International | D14 Queen's Gambit Declined Slav, Exchange Variation |
| 36. I Sipos vs K Hills |
| 1-0 | 27 | 2011 | Berkeley International | E92 King's Indian |
| 37. Van Wely vs I Sipos |
| 1-0 | 33 | 2011 | Berkeley International | D12 Queen's Gambit Declined Slav |
| 38. K Kavutskiy vs I Sipos |
| 0-1 | 35 | 2011 | Berkeley International | A70 Benoni, Classical with 7.Nf3 |
| 39. M Panchanathan vs I Sipos |
| 1-0 | 48 | 2011 | Berkeley International | A04 Reti Opening |
| 40. I Sipos vs J Kraai |
| ½-½ | 41 | 2011 | Berkeley International | A29 English, Four Knights, Kingside Fianchetto |
| 41. I Sipos vs L Milman |
| 1-0 | 36 | 2011 | Berkeley International | A35 English, Symmetrical |
| 42. Bachmann vs I Sipos |
| ½-½ | 41 | 2011 | Berkeley International | B12 Caro-Kann Defense |
| 43. C Holt vs I Sipos |
 | 1-0 | 41 | 2011 | Berkeley International | A70 Benoni, Classical with 7.Nf3 |
| 44. I Sipos vs S Collins |
| ½-½ | 14 | 2011 | Berkeley International | D37 Queen's Gambit Declined |
| 45. M Esserman vs I Sipos |
| 1-0 | 55 | 2011 | SPICE Spring Invitational | C49 Four Knights |
| 46. I Sipos vs L Altounian |
| 0-1 | 32 | 2011 | Lubbock SPICE Cup Spring | A37 English, Symmetrical |
| 47. I Sipos vs P Idani |
| ½-½ | 12 | 2012 | Caissa GM March | B22 Sicilian, Alapin |
| 48. J Havasi vs I Sipos |
| ½-½ | 72 | 2012 | TCh-HUN 2011-12 | C02 French, Advance |
| 49. I Sipos vs R Svaljek |
| 1-0 | 38 | 2012 | Pula Open | D43 Queen's Gambit Declined Semi-Slav |
| 50. M Borkovec vs I Sipos |
| ½-½ | 35 | 2012 | Pula Open | E11 Bogo-Indian Defense |
Kibitzing
