Stadium: Court GS-5 Round: 62
| Vancouver, Singles W-WITF-CAN-01A | 2018/08/12 17:00 | Emina Bektas v Stefani, Luisa | 6-3,3-6,7-6 |
| ITF Women Landisville Qual | 2018/08/05 18:05 | Jaimee Fourlis v Stefani, Luisa | 7-6,6-0 |
| ITF Women Lexington Qual | 2018/07/31 13:00 | Nefedova, Anastasia Evgenyevna v Stefani, Luisa | 6-3,6-3 |
| ITF Women Lexington Qual | 2018/07/30 16:05 | Alycia Parks v Stefani, Luisa | 0-6,5-7 |
| ITF Women Lexington Qual | 2018/07/29 13:00 | Sada Nahimana v Stefani, Luisa | 3-6,1-6 |
| ITF Women Ashland Qual | 2018/07/24 14:00 | Stefani, Luisa v Maegan Manasse | 2-6,1-6 |
| ITF Women Ashland Qual | 2018/07/23 14:00 | Stefani, Luisa v Alycia Parks | 6-1,6-1 |
| ITF Women Baton Rouge | 2018/06/21 14:00 | Ashley Lahey v Stefani, Luisa | 4-6,7-5,6-1 |
| ITF Women Dijon | 2018/07/18 08:00 | Villarreal, Andrea Renee v Emmanuelle Salas | 1-6,3-6 |
| ITF Women Dijon | 2018/07/16 10:30 | Villarreal, Andrea Renee v Kajsa Rinaldo Persson | 6-3,6-2 |
| Matchs amicaux U18 | 2018/07/11 11:20 | Suzan Lamens v Villarreal, Andrea Renee | 6-3,7-5 |
| ITF Women Den Haag | 2018/07/03 10:20 | Merel Hoedt v Villarreal, Andrea Renee | 6-3,7-6 |
| ITF Women Alkmaar | 2018/06/26 16:50 | Villarreal, Andrea Renee v Pipa, Shaline-Doreen | 4-6,3-6 |
| ITF Women Victoria | 2018/06/19 16:30 | Brodsky, Gail v Villarreal, Andrea Renee | 6-3,6-3 |
| Naples, Qualifications Simples W-WITF-USA-15A | 2018/05/27 14:00 | Villarreal, Andrea Renee v Devidze, Salome | 4-6,1-6 |
| Naples, Qualifications Simples W-WITF-USA-15A | 2018/05/27 14:00 | Villarreal, Andrea Renee v Ashley Vielma | 6-1,6-1 |