| Irapuato, Singles Qualifying W-WITF-MEX-01A | 2018/03/10 20:30 | 두바, 안드레아 v 도글라스, 엘리 | 0-6,3-6 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/25 13:00 | 아란고, 에밀리아나 v 두바, 안드레아 | 6-0,6-1 |
| Sao Paulo, Singles Qualifying W-WITF-BRA-02A | 2018/02/24 12:00 | 기우디치, 레티시아 v 두바, 안드레아 | 3-6,1-6 |
| ITF Women Curitiba Qual | 2018/02/18 14:00 | 지단세크, 타마라 v 두바, 안드레아 | 6-1,6-0 |
| ITF Women Curitiba Qual | 2018/02/17 12:30 | Reis de Campos, Louise v 두바, 안드레아 | 3-6,0-6 |
| Wesley Chapel, Singles Qualifying W-WITF-USA-03A | 2018/01/21 17:30 | 두바, 안드레아 v 카주루, 안쥬 오바이 | 1-6,0-6 |
| Santiago, Singles Qualifying W-C25-CHI-02A | 2017/12/03 14:45 | Guimaraes Bueno, Flavia v 두바, 안드레아 | 6-1,6-1 |
| Santiago, Singles Qualifying W-C25-CHI-02A | 2017/12/02 18:00 | Saguchi, Miyumi Milagros v 두바, 안드레아 | 4-6,6-7 |
| Sozopol, Singles W-C10-BUL-02A | 2017/10/03 08:50 | Karatancheva, Lia v Boev, Michaela | 1-6,0-6 |
| ITF Women Varna | 2017/09/17 07:00 | Ocheva, Victoria v Karatancheva, Lia | 6-1,6-2 |
| ITF Women Varna | 2017/09/16 12:00 | Karatancheva, Lia v Belokonska, Yoanna | 6-2,6-0 |