| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Pechac vs A Aleksandrov |
| 1-0 | 41 | 2018 | European Championship | A14 English |
| 27. I Ivanisevic vs J Pechac |
| 1-0 | 37 | 2018 | European Championship | E21 Nimzo-Indian, Three Knights |
| 28. J Pechac vs Jobava |
 | 0-1 | 26 | 2018 | European Championship | A06 Reti Opening |
| 29. A Olcum vs J Pechac |
| ½-½ | 73 | 2018 | European Championship | A45 Queen's Pawn Game |
| 30. J Pechac vs R Aliyev |
| 0-1 | 27 | 2018 | European Championship | C09 French, Tarrasch, Open Variation, Main line |
| 31. T Petenyi vs J Pechac |
| 1-0 | 19 | 2018 | ch-SVK | B20 Sicilian |
| 32. J Pechac vs C Repka |
| 1-0 | 38 | 2018 | ch-SVK | A46 Queen's Pawn Game |
| 33. J Pechac vs R Praggnanandhaa |
| 1-0 | 43 | 2018 | Riga Tech Open A | A20 English |
| 34. C Repka vs J Pechac |
| 1-0 | 44 | 2018 | Riga Tech Open A | A84 Dutch |
| 35. J Pechac vs A Esipenko |
| 0-1 | 41 | 2018 | Riga Tech Open A | A06 Reti Opening |
| 36. V Zakhartsov vs J Pechac |
| ½-½ | 50 | 2018 | Riga Tech Open A | E70 King's Indian |
| 37. J Pechac vs S Zilka |
| 1-0 | 33 | 2018 | TCh-SVK -19 | D30 Queen's Gambit Declined |
| 38. K Piorun vs J Pechac |
| ½-½ | 30 | 2018 | TCh-SVK -19 | A20 English |
| 39. J Pechac vs I Leskiewicz |
| 1-0 | 72 | 2019 | Prague Open | E71 King's Indian, Makagonov System (5.h3) |
| 40. J Pechac vs J Chyzy |
| 1-0 | 32 | 2019 | Prague Open | D37 Queen's Gambit Declined |
| 41. A Kozak vs J Pechac |
 | 1-0 | 35 | 2019 | Prague Open | D40 Queen's Gambit Declined, Semi-Tarrasch |
| 42. T Schmid vs J Pechac |
| 0-1 | 41 | 2019 | Prague Open | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 43. J Pechac vs Luka Oboladze |
| 1-0 | 28 | 2019 | Prague Open | D85 Grunfeld |
| 44. Z Zhang vs J Pechac |
| 1-0 | 39 | 2019 | Prague Open | B08 Pirc, Classical |
| 45. R Hrdina vs J Pechac |
| 0-1 | 20 | 2019 | Prague Open | C01 French, Exchange |
| 46. J Pechac vs T Vojta |
| ½-½ | 70 | 2019 | Prague Open | D07 Queen's Gambit Declined, Chigorin Defense |
| 47. A Gschnitzer vs J Pechac |
| 1-0 | 29 | 2019 | Prague Open | C45 Scotch Game |
| 48. S Zilka vs J Pechac |
| 1-0 | 46 | 2019 | Mitropa Cup | C45 Scotch Game |
| 49. B Csonka vs J Pechac |
| ½-½ | 73 | 2019 | Mitropa Cup | B31 Sicilian, Rossolimo Variation |
| 50. C Repka vs J Pechac |
| ½-½ | 31 | 2019 | Ruzomberok GM | B33 Sicilian |
Kibitzing
