| Irapuato, Singles Qualifying W-WITF-MEX-01A | 2018/03/10 20:30 | Duva, Andrea v Douglas, Ellie | 0-6,3-6 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/25 13:00 | Emiliana Arango v Duva, Andrea | 6-0,6-1 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 12:00 | Giudici, Leticia v Duva, Andrea | 3-6,1-6 |
| ITF Women Curitiba Qual | 2018/02/18 14:00 | Tamara Zidansek v Duva, Andrea | 6-1,6-0 |
| ITF Women Curitiba Qual | 2018/02/17 12:30 | Reis de Campos, Louise v Duva, Andrea | 3-6,0-6 |
| Wesley Chapel, Singles Qualifying W-WITF-USA-03A | 2018/01/21 17:30 | Duva, Andrea v Kajuru, Ange Oby | 1-6,0-6 |
| ITF Women Santiago Qual | 2017/12/03 14:45 | Guimaraes Bueno, Flavia v Duva, Andrea | 6-1,6-1 |
| ITF Women Santiago Qual | 2017/12/02 18:00 | Saguchi, Miyumi Milagros v Duva, Andrea | 4-6,6-7 |
| ITF Women Sozopol | 2017/10/03 08:50 | Lia Karatancheva v Boev, Michaela | 1-6,0-6 |
| ITF Women Varna | 2017/09/17 07:00 | Ocheva, Victoria v Lia Karatancheva | 6-1,6-2 |
| ITF Women Varna | 2017/09/16 12:00 | Lia Karatancheva v Belokonska, Yoanna | 6-2,6-0 |