Stadium: Center Round: 54 Ground: Hardcourt outdoor
| ITF Women Tyler | 2018/10/30 15:00 | Giuliana Olmos v Douglas, Ellie | 3-6,7-6,4-6 |
| Monzon, Singles Qualifying W-ITF-ESP-07A | 2019/05/07 12:35 | Giuliana Olmos v Marina Melnikova | 4-6,4-6 |
| WTA Prague | 2019/04/27 11:30 | Giuliana Olmos v Gatto-Monticone, Giulia | 0-6,2-6 |
| WTA Istanbul | 2019/04/21 08:00 | Veronika Kudermetova v Giuliana Olmos | 7-6,6-1 |
| WTA Monterrey | 2019/04/01 20:40 | Nao Hibino v Giuliana Olmos | 4-6,6-1,7-6 |
| WTA Guadalajara | 2019/03/12 03:20 | Fiona Ferro v Giuliana Olmos | 7-5,6-1 |
| Acapulco, Mexico | 2019/02/24 22:00 | Giuliana Olmos v Beatriz Haddad Maia | 3-6,6-3,3-6 |
| Acapulco, Mexico | 2019/02/23 22:00 | Irina Khromacheva v Giuliana Olmos | 1-6,5-7 |
| Surprise, Singles W-ITF-USA-04A | 2019/02/15 17:30 | Giuliana Olmos v Karatantcheva, Sesil | 2-6,6-2,12-14 |
| Denver, Singles Qualifying W-ITF-USA-28A | 2019/06/19 18:00 | Arshinkova, Petia v Douglas, Ellie | 6-3,6-4 |
| Denver, Singles Qualifying W-ITF-USA-28A | 2019/06/18 20:45 | Douglas, Ellie v Payton Andrews | 6-1,6-0 |
| ITF W25 Sumter | 2019/06/13 14:00 | Dea Herdzelas v Douglas, Ellie | 7-5,6-3 |
| ITF W25 Sumter | 2019/06/11 17:10 | Douglas, Ellie v Jain, Mahak | 6-3,6-4 |
| Midland, Simples W-ITF-USA-03A | 2019/01/28 19:30 | Brodsky, Gail v Douglas, Ellie | 6-3,6-0 |
| Petit-Bourg, Singles Qualifying W-ITF-FRA-02A | 2019/01/17 16:00 | Douglas, Ellie v Burrage, Jodie Anna | 3-6,6-2,3-6 |
| Petit-Bourg, Singles Qualifying W-ITF-FRA-02A | 2019/01/16 22:40 | Mina, Brandy v Douglas, Ellie | 0-6,2-6 |
| Petit-Bourg, Singles Qualifying W-ITF-FRA-02A | 2019/01/15 15:00 | Emily Webley-Smith v Douglas, Ellie | 3-6,1-6 |