Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF W25 Jonkoping | 2021/06/14 11:30 | Cristiana Ferrando v Stefania Rubini | 6-2,7-5 |
| ITF W25 Grado | 2021/06/03 15:30 | Stefania Rubini v Nuria Parrizas-Diaz | 5-7,1-6 |
| ITF W25 Grado | 2021/06/01 09:30 | Ylena In-Albon v Stefania Rubini | 0-6,2-6 |
| WTA Parma | 2021/05/15 12:20 | Stefania Rubini v Stefanie Voegele | 4-6,6-0,4-6 |
| ITF W25 Calvi | 2021/04/13 14:20 | Viktoria Morvayova v Stefania Rubini | 7-5,3-6,6-4 |
| ITF W60 Bellinzona | 2021/04/04 13:30 | Lucrezia Stefanini v Stefania Rubini | 6-4,7-5 |
| ITF W15 Antalya | 2021/03/17 07:30 | So-Ra Lee v Stefania Rubini | 6-4,6-3 |
| ITF W25 Grenoble | 2021/02/08 11:55 | Jule Niemeier v Stefania Rubini | 7-6,6-2 |