| 23. Round | 22/03/1931 | AS Ambrosiana | - | US Triestina | 1:0 | ||||
| 24. Round | 05/04/1931 | SSC Napoli | - | US Triestina | 5:1 |  |
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| 25. Round | 26/04/1931 | US Triestina | - | Modena FC | 1:1 | ||||
| 26. Round | 03/05/1931 | US Alessandria 1912 | - | US Triestina | 4:1 | ||||
| 27. Round | 10/05/1931 | Juventus | - | US Triestina | 4:0 | ||||
| 29. Round | 31/05/1931 | US Triestina | - | AC Milan | 3:1 | ||||
| 30. Round | 04/06/1931 | US Livorno | - | US Triestina | 3:2 | ||||
| 31. Round | 07/06/1931 | US Triestina | - | Pro Vercelli | 3:1 | |
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| 32. Round | 14/06/1931 | Legnano | - | US Triestina | 1:1 | |
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| 33. Round | 21/06/1931 | Lazio Roma | - | US Triestina | 1:0 | ||||
| 34. Round | 28/06/1931 | US Triestina | - | Genova 1893 Circolo del Calcio | 1:1 |
Italy