| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Lostuzzi vs F Bellini |
| 1-0 | 48 | 2006 | Italian Team Championship | B07 Pirc |
| 27. M Lostuzzi vs M Lucaroni |
| ½-½ | 20 | 2006 | Italian Team Championship | D34 Queen's Gambit Declined, Tarrasch |
| 28. C Garcia Palermo vs M Lostuzzi |
| 1-0 | 27 | 2006 | Italian Team Championship | A59 Benko Gambit |
| 29. M Lostuzzi vs K Georgiev |
| ½-½ | 95 | 2010 | 42nd Italian Team Championship | B43 Sicilian, Kan, 5.Nc3 |
| 30. L Ortega vs M Lostuzzi |
| 1-0 | 23 | 2010 | 42nd Italian Team Championship | A46 Queen's Pawn Game |
| 31. P Mazzilli vs M Lostuzzi |
| ½-½ | 7 | 2012 | Italian Team Championship | C46 Three Knights |
| 32. M Lostuzzi vs F Ranieri |
| 1-0 | 31 | 2012 | Italian Team Championship | D30 Queen's Gambit Declined |
| 33. L Shytaj vs M Lostuzzi |
| ½-½ | 35 | 2012 | Italian Team Championship | C64 Ruy Lopez, Classical |
| 34. M Lostuzzi vs M Sbarra |
| ½-½ | 10 | 2012 | Italian Team Championship | E00 Queen's Pawn Game |
| 35. M Lostuzzi vs C Garcia Palermo |
| 0-1 | 30 | 2014 | Italian Team Championship | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 36. G Schacher vs M Lostuzzi |
| ½-½ | 19 | 2014 | Italian Team Championship | A15 English |
| 37. M Lostuzzi vs E Arlandi |
| ½-½ | 13 | 2014 | Italian Team Championship | B40 Sicilian |
| 38. M Lostuzzi vs M Godena |
| 0-1 | 35 | 2015 | Italian Teams | C78 Ruy Lopez |
| 39. F Bentivegna vs M Lostuzzi |
| 0-1 | 33 | 2015 | Italian Teams | A45 Queen's Pawn Game |
| 40. S De Filomeno vs M Lostuzzi |
| ½-½ | 8 | 2015 | Italian Teams | A46 Queen's Pawn Game |
| 41. Swiercz vs M Lostuzzi |
| 1-0 | 26 | 2015 | Italian Teams | A46 Queen's Pawn Game |
| 42. M Lostuzzi vs M Quinn |
| ½-½ | 10 | 2015 | Italian Teams | B30 Sicilian |
| 43. M Lostuzzi vs Sasikiran |
| 0-1 | 33 | 2017 | Riga Tech Open A | E00 Queen's Pawn Game |
Kibitzing
