Stadium: Court 4 Round: 54 Ground: Hardcourt indoor
| Carson, Singles W-ITF-USA-06A | 2019/03/07 21:35 | Lee, Sarah v Leduc, Catherine | 6-0,6-1 |
| ITF W60 Saguenay | 2019/10/22 12:50 | Leduc, Catherine v Fortin, Sarah-Maude | 2-6,6-7 |
| Claremont, Singles Qualifying W-ITF-USA-48A | 2019/10/07 18:00 | Leduc, Catherine v Stacey Fung | 3-6,5-7 |
| ITF W15 Lubbock | 2019/09/17 16:30 | Leduc, Catherine v Tiphanie Lemaitre | 2-6,0-6 |
| Lawrence, Singles W-ITF-USA-34A | 2019/09/09 14:00 | Leduc, Catherine v Delgado, Luniuska | 5-7,7-5,5-10 |
| WTA Toronto | 2019/08/03 16:55 | Rebecca Peterson v Leduc, Catherine | 6-0,6-0 |
| Granby, Simples W-ITF-CAN-05A | 2019/07/22 15:45 | Xu, Annabelle v Leduc, Catherine | 6-0,3-6,14-12 |
| Gatineau, Singles W-ITF-CAN-04A | 2019/07/16 15:30 | Leduc, Catherine v Victoria Emma | 2-6,0-6 |
| Gatineau, Singles W-ITF-CAN-04A | 2019/07/15 13:00 | Leduc, Catherine v Marina Stakusic | 6-2,7-6 |
| Metepec, Singles W-ITF-MEX-24A | 2019/10/23 18:10 | Lee, Sarah v Stacey Fung | 3-6,6-3,1-6 |
| Metepec, Singles W-ITF-MEX-24A | 2019/10/20 17:00 | Arisha Ladhani v Lee, Sarah | 0-6,2-6 |
| Metepec, Singles W-ITF-MEX-24A | 2019/10/19 15:00 | Lee, Sarah v Stacey Fung | 1-6,6-3,7-6 |
| Metepec, Singles W-ITF-MEX-24A | 2019/10/18 16:00 | Williford, Kelly v Lee, Sarah | 2-6,5-7 |
| Metepec, Singles W-ITF-MEX-24A | 2019/10/17 20:55 | Portalatin, Karla v Lee, Sarah | 2-6,4-6 |
| Claremont, Singles Qualifying W-ITF-USA-48A | 2019/10/09 17:00 | Lee, Sarah v Valdes, Rianna | 6-1,3-6,1-6 |
| Claremont, Singles Qualifying W-ITF-USA-48A | 2019/10/08 17:00 | Lee, Sarah v Castillo Meza, Midori | 7-5,7-5 |
| Claremont, Singles Qualifying W-ITF-USA-48A | 2019/10/07 18:00 | Lee, Sarah v Gauvain, Sybille | 7-6,7-6 |