Stadium: S Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF W15 Norman | 2019/10/03 16:55 | Pielet, Gianna v Savannah Broadus | 6-4,4-6,4-6 |
| ITF W15 Norman | 2019/10/02 15:00 | Ingrid Gamarra Martins v Pielet, Gianna | 2-6,6-7 |
| ITF W15 Norman | 2019/10/01 15:00 | Pielet, Gianna v Kylie Mckenzie | 6-2,2-6,10-3 |
| ITF W15 Norman | 2019/09/30 15:00 | Pielet, Gianna v Ivana Corley | 6-3,6-2 |
| ITF W15 Lubbock | 2019/09/19 15:00 | Pielet, Gianna v Lauren Proctor | 3-6,4-6 |
| ITF W15 Lubbock | 2019/09/18 17:35 | Alycia Parks v Pielet, Gianna | 2-6,4-6 |
| ITF W15 Lubbock | 2019/09/17 14:00 | Pielet, Gianna v Gauvain, Sybille | 6-3,6-3 |
| ITF W15 Lubbock | 2019/09/16 15:00 | Pielet, Gianna v Machalova, Sabina | 4-6,6-2,10-5 |
| Austin, Singles W-ITF-USA-38B | 2019/10/21 15:00 | Akimova, Polina v Closs, Mary | 2-6,4-6 |
| Claremont, Singles Qualifying W-ITF-USA-48A | 2019/10/09 17:00 | Mirjam Bjorklund v Closs, Mary | 6-2,6-4 |
| Claremont, Singles Qualifying W-ITF-USA-48A | 2019/10/08 18:55 | Closs, Mary v Davis, Emma | 6-4,7-6 |
| Claremont, Singles Qualifying W-ITF-USA-48A | 2019/10/07 18:00 | Sukhotina, Anastasia v Closs, Mary | 6-3,3-6,5-10 |
| ITF W15 Norman | 2019/10/01 15:00 | Sysoeva, Anastasia v Closs, Mary | 7-5,3-6,10-3 |
| ITF W15 Norman | 2019/09/30 15:00 | Johns, Charity v Closs, Mary | 0-6,0-6 |
| ITF W15 Lubbock | 2019/09/16 15:00 | Closs, Mary v Brown, Jaedan | 2-6,6-1,8-10 |
| ITF W15 Lubbock | 2019/09/15 14:00 | Closs, Mary v Maria Kononova | 6-2,5-7,10-8 |