| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Fritz vs von Popiel |
 | 0-1 | 52 | 1898 | 11th DSB Congress, Cologne | C66 Ruy Lopez |
| 27. Schiffers vs von Popiel |
| 0-1 | 93 | 1898 | 11th DSB Congress, Cologne | C66 Ruy Lopez |
| 28. von Popiel vs Schlechter |
| ½-½ | 31 | 1898 | 11th DSB Congress, Cologne | C50 Giuoco Piano |
| 29. Alapin vs von Popiel |
| 0-1 | 65 | 1899 | 2nd Kolisch Memorial, Vienna 1899/00 | D22 Queen's Gambit Accepted |
| 30. von Popiel vs G Marco |
| 0-1 | 82 | 1899 | 2nd Kolisch Memorial, Vienna 1899/00 | C23 Bishop's Opening |
| 31. von Popiel vs C Prock |
| 1-0 | 34 | 1899 | 2nd Kolisch Memorial, Vienna 1899/00 | C43 Petrov, Modern Attack |
| 32. von Popiel vs A Zinkl |
| ½-½ | 52 | 1899 | 2nd Kolisch Memorial, Vienna 1899/00 | C13 French |
| 33. M Brody vs von Popiel |
| 1-0 | 42 | 1899 | 2nd Kolisch Memorial, Vienna 1899/00 | C66 Ruy Lopez |
| 34. Schlechter vs von Popiel |
| ½-½ | 50 | 1899 | 2nd Kolisch Memorial, Vienna 1899/00 | D37 Queen's Gambit Declined |
| 35. von Popiel vs Albin |
| 0-1 | 38 | 1899 | 2nd Kolisch Memorial, Vienna 1899/00 | C50 Giuoco Piano |
| 36. von Popiel vs J Kotrc |
| 1-0 | 47 | 1899 | 2nd Kolisch Memorial, Vienna 1899/00 | C44 King's Pawn Game |
| 37. H Wolf vs von Popiel |
| 1-0 | 38 | 1899 | 2nd Kolisch Memorial, Vienna 1899/00 | C65 Ruy Lopez, Berlin Defense |
| 38. von Popiel vs Maroczy |
| ½-½ | 45 | 1900 | 2nd Kolisch Memorial, Vienna 1899/00 | C49 Four Knights |
| 39. A Schwarz vs von Popiel |
| 1-0 | 25 | 1900 | 2nd Kolisch Memorial, Vienna 1899/00 | D50 Queen's Gambit Declined |
| 40. von Popiel vs F G Jakob |
| 1-0 | 46 | 1900 | 12th DSB Congress, Munich | C44 King's Pawn Game |
| 41. M Billecard vs von Popiel |
| ½-½ | 43 | 1900 | 12th DSB Congress, Munich | D60 Queen's Gambit Declined, Orthodox Defense |
| 42. von Popiel vs Schlechter |
 | 0-1 | 49 | 1900 | 12th DSB Congress, Munich | C44 King's Pawn Game |
| 43. von Bardeleben vs von Popiel |
| 0-1 | 37 | 1900 | 12th DSB Congress, Munich | D60 Queen's Gambit Declined, Orthodox Defense |
| 44. von Popiel vs Burn |
| 0-1 | 64 | 1900 | 12th DSB Congress, Munich | B73 Sicilian, Dragon, Classical |
| 45. Pillsbury vs von Popiel |
| 1-0 | 74 | 1900 | 12th DSB Congress, Munich | B18 Caro-Kann, Classical |
| 46. von Popiel vs Janowski |
| 1-0 | 76 | 1900 | 12th DSB Congress, Munich | C44 King's Pawn Game |
| 47. Halprin vs von Popiel |
| ½-½ | 50 | 1900 | 12th DSB Congress, Munich | D05 Queen's Pawn Game |
| 48. von Popiel vs J Berger |
| 0-1 | 49 | 1900 | 12th DSB Congress, Munich | C44 King's Pawn Game |
| 49. G Marco vs von Popiel |
| ½-½ | 38 | 1900 | 12th DSB Congress, Munich | B12 Caro-Kann Defense |
| 50. von Popiel vs von Gottschall |
| 0-1 | 53 | 1900 | 12th DSB Congress, Munich | C26 Vienna |
Kibitzing
