| WTT Star Contender Doha Women | 2022/03/25 17:30 | Adina Diaconu v Melanie Diaz | L | 3-0 |
| WTT Contender Doha Women | 2022/03/19 11:00 | Fei Qi v Melanie Diaz | L | 3-1 |
| WTT Feeder Doha Women | 2022/03/15 07:05 | Huijing Yang v Melanie Diaz | L | 4-1 |
| WTT Singapore Smash Women | 2022/03/12 07:20 | Melanie Diaz v Jian Zeng | L | 0-3 |
| WTT Contender Muscat Women | 2022/03/02 14:30 | Xiaoxin Yang v Melanie Diaz | L | 3-1 |
| WTT Feeder Dusseldorf Women | 2022/01/18 16:25 | Oceane Guisnel v Melanie Diaz | L | 3-2 |
| World Championship Women | 2021/11/24 00:00 | Yu-Jhun Li v Melanie Diaz | L | 4-3 |
| WTT Contender Lasko Women | 2021/11/04 15:10 | Daniela Ortega v Melanie Diaz | L | 3-1 |