Stadium: Court 17 Round: 54 Ground: Clay
| ITF M15 Naples | 2022/02/21 14:00 | Nathan Ponwith v Preston Stearns | 6-1,7-5 |
| ITF M15 Naples | 2022/02/16 18:30 | Nathan Ponwith v Ezekiel Clark | 6-0,3-6,1-6 |
| ITF M15 Naples | 2022/02/09 15:00 | Antoine Cornut-Chauvinc v Nathan Ponwith | 6-1,6-3 |
| UTR Pro Tennis Series - Miami | 2022/02/05 17:00 | Nathan Ponwith v Pol Toledo Bague | 2-6,2-5 |
| UTR Pro Tennis Series - Miami | 2022/02/03 14:00 | Nathan Ponwith v Oscar Mesquida Berg | 7-5,5-4 |
| UTR Pro Tennis Series - Miami | 2022/01/31 16:00 | Nathan Ponwith v Luca Hotze | 6-0,5-0 |
| UTR Pro Tennis Series - Miami | 2022/01/30 15:30 | Nathan Ponwith v Azuma Visaya | 6-2,6-1 |
| ITF M25 Weston | 2022/01/27 14:30 | Eduard Esteve Lobato v Nathan Ponwith | 6-3,6-1 |
| ITF M15 Punta Cana | 2022/02/16 13:00 | Matyas Fuele v Joao Victor C Loureiro | 6-3,6-0 |
| ITF M15 Punta Cana | 2022/02/08 17:00 | Joao Victor C Loureiro v Oleg Prihodko | 0-6,2-6 |
| ITF M25 Campos do Jordao | 2022/02/02 11:00 | Marco Brugnerotto v Joao Victor C Loureiro | 6-2,7-5 |
| Challenger Blumenau | 2022/01/11 13:00 | Ignacio Carou v Joao Victor C Loureiro | 6-4,1-6,6-3 |
| ITF M15 Lambare | 2021/12/17 14:00 | Joao Victor C Loureiro v Valerio Aboian | 4-6,5-7 |
| ITF M15 Lambare | 2021/12/16 15:25 | Joao Victor C Loureiro v Nicolas Bruna | 4-6,6-2,6-4 |
| ITF M15 Lambare | 2021/12/15 18:00 | Michel Vernier v Joao Victor C Loureiro | 6-1,0-6,6-7 |
| Challenger Florianopolis | 2021/12/05 16:55 | Pedro Sakamoto v Joao Victor C Loureiro | 6-3,6-3 |