| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. R Mantovani vs S Conquest |
| 0-1 | 35 | 1986 | Geneva Open | B07 Pirc |
| 27. S Milosevic vs R Mantovani |
| 1-0 | 47 | 1986 | Balatonbereny Open | B56 Sicilian |
| 28. V Arapovic vs R Mantovani |
| 1-0 | 21 | 1986 | Mendrisio op | C60 Ruy Lopez |
| 29. R Mantovani vs Eichenberger |
| 1-0 | 41 | 1986 | Mendrisio op | C91 Ruy Lopez, Closed |
| 30. R Mantovani vs Hort |
| 0-1 | 45 | 1986 | Mendrisio op | D25 Queen's Gambit Accepted |
| 31. A Grinza vs R Mantovani |
| 0-1 | 28 | 1986 | Reggio Emilia-B 1985/86 | A10 English |
| 32. R Mantovani vs V Bukal Sr |
| ½-½ | 17 | 1986 | Reggio Emilia-B 1985/86 | C15 French, Winawer |
| 33. G Falchetta vs R Mantovani |
| 0-1 | 32 | 1986 | Reggio Emilia-B 1985/86 | B02 Alekhine's Defense |
| 34. R Mantovani vs B Belotti |
| ½-½ | 15 | 1986 | Reggio Emilia-B 1985/86 | A25 English |
| 35. J Costa vs R Mantovani |
| 0-1 | 75 | 1986 | Reggio Emilia-B 1985/86 | E12 Queen's Indian |
| 36. R Mantovani vs A Martorelli |
| 1-0 | 36 | 1986 | Reggio Emilia-B 1985/86 | B43 Sicilian, Kan, 5.Nc3 |
| 37. A Antunes vs R Mantovani |
| 1-0 | 51 | 1986 | Reggio Emilia-B 1985/86 | C60 Ruy Lopez |
| 38. R Mantovani vs S Sartori |
| ½-½ | 10 | 1986 | Reggio Emilia-B 1985/86 | C01 French, Exchange |
| 39. J Durao vs R Mantovani |
| 0-1 | 29 | 1986 | Lugano Open | B93 Sicilian, Najdorf, 6.f4 |
| 40. R Mantovani vs P Cassai |
| 1-0 | 50 | 1987 | Italian Championship | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 41. E Arlandi vs R Mantovani |
| ½-½ | 23 | 1987 | Italian Championship | A41 Queen's Pawn Game (with ...d6) |
| 42. R Mantovani vs G Vallifuoco |
| ½-½ | 18 | 1987 | Italian Championship | B80 Sicilian, Scheveningen |
| 43. R Mantovani vs V Anceschi |
| 1-0 | 39 | 1987 | Italian Championship | C12 French, McCutcheon |
| 44. F Bellia vs R Mantovani |
| ½-½ | 11 | 1987 | Italian Championship | B07 Pirc |
| 45. M Godena vs R Mantovani |
| ½-½ | 42 | 1987 | Italian Championship | B30 Sicilian |
| 46. R Mantovani vs R Messa |
| ½-½ | 28 | 1987 | Italian Championship | C16 French, Winawer |
| 47. R Mantovani vs S Tatai |
| 1-0 | 26 | 1987 | Italian Championship | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 48. R Mantovani vs F Braga |
| ½-½ | 8 | 1987 | Italian Championship | A05 Reti Opening |
| 49. R Mantovani vs M Franic |
| ½-½ | 20 | 1988 | Mendrisio op | D28 Queen's Gambit Accepted, Classical |
| 50. M Sharif vs R Mantovani |
| 1-0 | 37 | 1988 | Mitropa-Cup | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
Kibitzing
