| UTR Pro Tennis Series Texas Women | 2021/09/23 16:00 | Pielet, Gianna v Chloe Henderson | 6-4,3-6,6-3 |
| UTR Pro Tennis Series Texas Women | 2021/09/22 18:45 | Avery Esquivel v Pielet, Gianna | 2-6,0-5 |
| UTR Pro Tennis Series Texas Women | 2021/09/21 13:00 | Mcbryde, Renee v Pielet, Gianna | 4-6,1-6 |
| ITF - W15 Monastir | 2021/08/05 09:15 | Olga Helmi v Pielet, Gianna | 6-2,6-1 |
| ITF - W15 Monastir | 2021/08/04 16:00 | Pielet, Gianna v Ben Hassen, Feryel | 6-4,6-0 |
| ITF - W15 Monastir | 2021/08/03 08:30 | Pielet, Gianna v Elena Micic | 6-1,6-2 |
| ITF - W15 Monastir | 2021/08/02 16:00 | Pielet, Gianna v Renne Singla | 6-0,6-4 |
| ITF - W15 Monastir | 2021/07/27 09:00 | Pielet, Gianna v Wiersholm, Katja | 1-6,3-6 |
| UTR Pro Tennis Series Texas Women | 2021/09/23 17:30 | Kayal Gownder v Jennifer Jackson | 7-5,5-1 |