| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Gromek vs J Stoklosa |
| 1-0 | 50 | 1955 | Polish Championship | A16 English |
| 27. J Domanski vs J Gromek |
| 0-1 | 39 | 1955 | Polish Championship | B60 Sicilian, Richter-Rauzer |
| 28. J Gromek vs S Witkowski |
| 1-0 | 22 | 1955 | Polish Championship | D94 Grunfeld |
| 29. Z Solecki vs J Gromek |
| 0-1 | 34 | 1955 | Polish Championship | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 30. W Luczynowicz vs J Gromek |
| ½-½ | 22 | 1955 | Polish Championship | E81 King's Indian, Samisch |
| 31. J Gromek vs C Blaszczak |
| 1-0 | 52 | 1955 | Polish Championship | A07 King's Indian Attack |
| 32. J Gromek vs R Dworzynski |
| 1-0 | 41 | 1955 | Polish Championship | A16 English |
| 33. Sliwa vs J Gromek |
| 1-0 | 26 | 1955 | Polish Championship | E81 King's Indian, Samisch |
| 34. W Balcarek vs J Gromek |
| 1-0 | 41 | 1955 | Polish Championship | E81 King's Indian, Samisch |
| 35. J Gromek vs S Kwapisz |
| 1-0 | 47 | 1955 | Polish Championship | E81 King's Indian, Samisch |
| 36. E Sojka vs J Gromek |
| ½-½ | 54 | 1955 | Krynica 1955/56 | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 37. J Gromek vs S Puc |
| ½-½ | 51 | 1955 | Krynica 1955/56 | E40 Nimzo-Indian, 4.e3 |
| 38. Pachman vs J Gromek |
| 1-0 | 47 | 1956 | POL-CSR | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 39. B Milic vs J Gromek |
| 1-0 | 29 | 1956 | Krynica 1955/56 | B60 Sicilian, Richter-Rauzer |
| 40. W Balcarek vs J Gromek |
| 1-0 | 53 | 1956 | Krynica 1955/56 | A56 Benoni Defense |
| 41. A Tarnowski vs J Gromek |
 | 0-1 | 48 | 1956 | Krynica 1955/56 | B88 Sicilian, Fischer-Sozin Attack |
| 42. Uhlmann vs J Gromek |
| 1-0 | 21 | 1956 | Krynica 1955/56 | E79 King's Indian, Four Pawns Attack, Main line |
| 43. T Gniot vs J Gromek |
| 0-1 | 52 | 1956 | Krynica 1955/56 | E81 King's Indian, Samisch |
| 44. J Gromek vs K Plater |
| ½-½ | 62 | 1956 | Krynica 1955/56 | D24 Queen's Gambit Accepted |
| 45. J Gromek vs N Karaklajic |
| ½-½ | 40 | 1956 | Krynica 1955/56 | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 46. J Gromek vs Z Boleslawski |
 | 1-0 | 25 | 1956 | Krynica 1955/56 | D39 Queen's Gambit Declined, Ragozin, Vienna Variation |
| 47. J Gromek vs S Vukovic |
| 0-1 | 36 | 1956 | Krynica 1955/56 | E85 King's Indian, Samisch, Orthodox Variation |
| 48. S Dittmann vs J Gromek |
| 1-0 | 36 | 1956 | Krynica 1955/56 | E53 Nimzo-Indian, 4.e3 |
| 49. J Gromek vs W Luczynowicz |
| 1-0 | 17 | 1956 | Krynica 1955/56 | D31 Queen's Gambit Declined |
| 50. D Keller vs J Gromek |
| 1-0 | 32 | 1956 | Moscow Olympiad qual-1 | B58 Sicilian |
Kibitzing
