Stadium: Estadio Round: 25 Ground: Hardcourt outdoor
| WTA - Indian Wells | 2020/03/04 22:50 | Hanna Chang v Nara, Kurumi | 1-6,3-6 |
| WTA - Indian Wells | 2020/03/02 18:00 | Lao, Danielle v Hanna Chang | 6-1,5-7,6-2 |
| Rancho Santa Fe, Ca, Singles W-ITF-USA-05A | 2020/02/25 22:45 | Hanna Chang v Seone Mendez | 6-3,5-7,2-6 |
| Rancho Santa Fe, Ca, Singles W-ITF-USA-05A | 2020/02/24 18:00 | Hanna Chang v Montez, Pamela | 7-6,6-4 |
| Rancho Santa Fe, Ca, Singles W-ITF-USA-05A | 2020/02/23 19:00 | Hanna Chang v Anhzelika Isaeva | 6-3,6-2 |
| Nicholasville, Singles Qualifying W-ITF-USA-05A | 2020/02/13 18:55 | Hanna Chang v Brengle, Madison | 4-6,4-6 |
| Nicholasville, Singles Qualifying W-ITF-USA-05A | 2020/02/12 19:35 | Hanna Chang v Maria Camila Osorio Serrano | 7-6,3-6,6-2 |
| Nicholasville, Singles Qualifying W-ITF-USA-05A | 2020/02/11 19:10 | Talaba, Gabriela v Hanna Chang | 7-5,2-6,6-10 |
| Fed Cup, Matchs en Doubles | 2020/02/08 14:45 | Cepede Royg, Veronica v Giuliana Olmos | 6-1,6-3 |
| Fed Cup, Matchs en Doubles | 2020/02/07 15:10 | Daniela Seguel v Giuliana Olmos | 6-2,6-4 |
| Fed Cup, Matchs en Doubles | 2020/02/06 14:10 | Giuliana Olmos v Romina Ccuno | 7-6,7-5 |
| Fed Cup, Matchs en Doubles | 2020/02/05 14:25 | Paula Ormaechea v Giuliana Olmos | 3-6,4-6 |
| Tucson, Singles W-ITF-USA-46A | 2019/11/20 19:30 | Giuliana Olmos v Katie Volynets | 6-4,0-6,3-6 |
| Houston, USA | 2019/11/12 20:50 | Caroline Dolehide v Giuliana Olmos | 7-5,6-4 |
| Houston, USA | 2019/11/10 20:25 | Catherine Harrison v Giuliana Olmos | 4-6,3-6 |
| ITF W60 Las Vegas | 2019/11/07 16:55 | Giuliana Olmos v Varvara Lepchenko | 6-2,3-6,4-6 |