| UTR Pro Tennis Series Florida | 2021/12/14 19:30 | 세구라, 마튜 v Alejandro Moreno | 6-3,7-6 |
| UTR Pro Tennis Series Florida | 2021/12/13 16:50 | Steven Forman v 세구라, 마튜 | 6-2,6-0 |
| UTR Pro Tennis Series Miami | 2021/11/07 15:00 | 세구라, 마튜 v Caula, Bruno | 5-7,6-1,1-6 |
| UTR Pro Tennis Series Miami | 2021/11/06 22:36 | 세구라, 마튜 v Henry Lieberman | 6-2,6-5 |
| UTR Pro Tennis Series Miami | 2021/11/06 15:30 | 세구라, 마튜 v 에스테베즈, 맥시밀리아노 | 2-6,3-6 |
| UTR Pro Tennis Series Miami | 2021/11/04 17:00 | 세구라, 마튜 v Juan David Velasquez | 6-4,5-4 |
| UTR Pro Tennis Series Miami | 2021/11/03 17:00 | Jerry Barton v 세구라, 마튜 | 4-6,3-5 |
| UTR Pro Tennis Series Miami | 2021/11/02 18:30 | Bruno Vietri v 세구라, 마튜 | 7-5,2-6,4-6 |
| UTR Pro Tennis Series Florida | 2021/12/13 17:00 | 미츠이, 순수케 v Mercer, J | 6-1,6-0 |
| ITF M15 East Lansing | 2021/11/16 15:00 | Mercer, J v Mostardi, Nico | 1-6,5-7 |
| ITF M15 East Lansing | 2021/11/15 18:00 | 델라베도바, 마튜 v Mercer, J | 6-7,2-6 |
| Fayetteville, AR, Singles Qualifying, M-ITF-USA-31 | 2019/10/22 14:45 | Cassone, Murphy v Mercer, J | 6-3,2-6,10-8 |
| Fayetteville, AR, Singles Qualifying, M-ITF-USA-31 | 2019/10/21 15:00 | Mercer, J v 차드웰, 이안 | 6-4,6-4 |
| ITF M15 Pittsburgh | 2019/07/01 14:00 | Mercer, J v 장, 안드루 | 2-6,1-6 |
| USA F33, Singles | 2018/11/18 16:05 | Ruehl. Tim v Mercer, J | 6-3,6-0 |
| ITF USA F29 | 2018/10/26 18:00 | 발렌시아, 알레잔드로 v Mercer, J | 6-4,7-5 |