| UTR Pro Tennis Series California Women | 2021/10/13 16:30 | Closs, Mary v Madison Lee | 7-5,5-3 |
| UTR Pro Tennis Series California Women | 2021/10/12 21:00 | Closs, Mary v Bojana Marinkovic | 7-5,5-4 |
| UTR Pro Tennis Series California Women | 2021/10/11 18:00 | Salma Ziouti v Closs, Mary | 6-0,6-3 |
| UTR Pro Tennis Series Dallas Women | 2021/09/04 17:40 | Olivia Halvorsen v Closs, Mary | 7-6,3-6,6-1 |
| UTR Pro Tennis Series Dallas Women | 2021/09/03 17:30 | Lana Mavor v Closs, Mary | 7-5,6-5 |
| UTR Pro Tennis Series Dallas Women | 2021/09/02 13:00 | Marcela Zacarias v Closs, Mary | 6-3,6-0 |
| UTR Pro Tennis Series Dallas Women | 2021/08/31 13:00 | Teja Tirunelveli v Closs, Mary | 6-2,5-2 |
| UTR Pro Tennis Series Dallas Women | 2021/08/30 13:00 | Closs, Mary v Navya Vadlamudi | 6-1,6-4 |
| UTR Pro Tennis Series California Women | 2021/10/14 15:00 | Bojana Marinkovic v Mar, Tricia | 6-0,5-2 |
| ITF W60 Las Vegas | 2021/10/06 17:00 | Hanna Chang v Mar, Tricia | 6-0,6-3 |
| ITF W60 Las Vegas | 2021/10/05 17:00 | Mar, Tricia v Jessica Bernales | 6-3,6-2 |
| ITF W15 Ibague | 2021/09/07 16:30 | Mar, Tricia v Fernanda Astete | 1-6,1-6 |
| ITF W15 Aix-en-Provence | 2021/09/01 09:30 | Mar, Tricia v Margaux Rouvroy | 2-6,4-6 |
| ITF W15 Aix-en-Provence | 2021/08/31 09:15 | Mar, Tricia v Dury, Mathilde | 6-3,7-5 |
| ITF W15 Aix-en-Provence | 2021/08/30 11:25 | Mar, Tricia v Erler, Savine | 4-6,7-6,10-7 |
| ITF W15 Wanfercee-Baulet | 2021/08/22 07:30 | Juliette Mazzoni v Mar, Tricia | 4-6,6-4,11-9 |