| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. H Wernich vs J Mason |
 | 0-1 | 25 |
1876 |
Clipper Free Centennial Tournament | C43 Petrov, Modern Attack |
| 2. Albert Roberts vs J Mason |
| ½-½ | 21 |
1876 |
USA-04.Kongress | C43 Petrov, Modern Attack |
| 3. Gunsberg vs J Mason |
| ½-½ | 23 |
1889 |
USA-06.Congress New York (25-1) | C43 Petrov, Modern Attack |
| 4. Schiffers vs J Mason |
| ½-½ | 44 |
1889 |
DSB-06.Kongress | C43 Petrov, Modern Attack |
| 5. Blackburne vs J Mason |
| 0-1 | 89 |
1889 |
USA-06.Congress New York (24-2) | C43 Petrov, Modern Attack |
| 6. Chigorin vs J Mason |
| ½-½ | 63 |
1899 |
London | C43 Petrov, Modern Attack |
| 7. M Sterling vs J Mason |
| 0-1 | 53 |
1900 |
Paris | C43 Petrov, Modern Attack |
| 8. J Mortimer vs J Mason |
| ½-½ | 39 |
1900 |
Paris | C43 Petrov, Modern Attack |
| 9. Lasker vs J Mason |
 | 1-0 | 31 |
1900 |
Paris | C43 Petrov, Modern Attack |
| 10. Von Popiel vs J Mason |
| 0-1 | 29 |
1902 |
Monte Carlo | C43 Petrov, Modern Attack |