| WTT Contender Lasko Women | 2021/11/04 15:10 | Daniela Ortega v Melanie Diaz | L | 3-1 |
| Pan Am Cup Women | 2020/02/08 00:30 | Melanie Diaz v Daniela Ortega | W | 4-3 |
| WTT - Contender Lima - Calificari - Feminin | 2023/08/02 21:05 | Dora Madarasz v Melanie Diaz | L | 3-0 |
| WTT - Contender Lima - Calificari - Feminin | 2023/08/01 22:10 | Leonie Hartbrich v Melanie Diaz | W | 2-3 |
| WTT Star Contender - Ljubljana - Feminin - Calificari | 2023/07/03 18:20 | Sibel Altinkaya v Melanie Diaz | L | 3-1 |
| Campionatul Mondial ITTF - Feminin | 2023/05/20 08:40 | Melanie Diaz v Musfiquh Kalam | W | 4-0 |
| WTT Star Contender - Bangkok - Feminin - Calificari | 2023/04/23 10:10 | Wing Lam Ng v Melanie Diaz | L | 3-0 |
| WTT Singapore Smash Women Quals | 2023/03/07 07:40 | Camille Lutz v Melanie Diaz | L | 3-0 |
| WTT - Feeder Dusseldorf - Feminin | 2022/11/23 10:55 | Melanie Diaz v Tin-Tin Ho | L | 0-4 |
| Campionatul Panamerican ITTF - Feminin | 2022/11/05 13:00 | Melanie Diaz v Sarah Jalli | L | 1-4 |
| WTT - Contender Lima - Calificari - Feminin | 2023/08/01 21:30 | Daniela Ortega v Audrey Zarif | L | 0-3 |
| Campionatul Sud-american ITTF - Echipe - Feminin | 2023/06/10 17:30 | Camila Obando v Daniela Ortega | W | 0-3 |
| Campionatul Sud-american ITTF - Echipe - Feminin | 2023/06/08 23:40 | Daniela Ortega v Candela Molero | W | 3-0 |
| Campionatul Sud-american ITTF - Echipe - Feminin | 2023/06/08 23:00 | Daniela Ortega v Camila Kaizoji | W | 3-0 |
| Campionatul Sud-american ITTF - Feminin | 2023/06/06 23:40 | Giulia Takahashi v Daniela Ortega | L | 4-0 |
| Campionatul Sud-american ITTF - Feminin | 2023/06/06 15:40 | Roxy Gonzalez v Daniela Ortega | W | 3-4 |
| Campionatul Mondial ITTF - Feminin | 2023/05/21 16:30 | Daniela Ortega v Xiaona Shan | L | 0-4 |
| WTT Feeder - Dusseldorf II - Feminin - Calificari | 2023/02/21 12:40 | Daniela Ortega v Xin Ru Wong | L | 0-3 |