Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| WTA Montreal Qual | 2018/08/04 19:55 | Isabelle Boulais v Sachia Vickery | 2-6,1-6 |
| ITF Women Granby | 2018/07/23 15:20 | Isabelle Boulais v Olivia Tjandramulia | 1-6,2-6 |
| ITF Women Gatineau Qual | 2018/07/15 00:05 | Nagi Hanatani v Isabelle Boulais | 6-7,6-3,6-3 |
| ITF Women Pelham Qual | 2018/04/09 15:00 | Julia Fisch v Isabelle Boulais | 1-6,3-6 |
| ITF Women Orlando | 2018/03/07 15:00 | Rasheeda McAdoo v Isabelle Boulais | 7-6,6-2 |
| ITF Women Orlando Qual | 2018/03/06 15:00 | Isabelle Boulais v Carson Tanguilig | 7-5,6-4 |
| ITF Women Wesley Chapel Qual | 2018/01/23 14:30 | Isabelle Boulais v Whitney Osuigwe | 2-6,5-7 |
| ITF Women Wesley Chapel Qual | 2018/01/22 14:30 | Gozal Ainitdinova v Isabelle Boulais | 4-6,4-6 |