Stadium: Court 11 Round: 25 Ground: Hardcourt outdoor
| Challenger Santa Cruz | 2022/01/24 21:00 | Federico Zeballos v Nicolas Moreno De Alboran | 5-7,2-6 |
| Challenger Blumenau | 2022/01/10 15:00 | Federico Zeballos v Ignacio Carou | 7-5,6-7,1-6 |
| Challenger Blumenau | 2022/01/09 15:25 | Federico Zeballos v Murilo Burckhardt | 6-3,6-0 |
| Challenger Rio De Janeiro | 2021/12/14 13:00 | Roy Smith v Federico Zeballos | 6-4,7-6 |
| Challenger Rio De Janeiro | 2021/12/13 16:00 | Federico Zeballos v Rafael Matos | 3-6,6-1,1-6 |
| Challenger Rio De Janeiro | 2021/12/12 18:00 | Federico Zeballos v Paulo A S Dos Santos | 6-1,6-3 |
| Challenger Florianopolis | 2021/12/07 13:00 | Federico Zeballos v Hugo Dellien | 6-7,2-6 |
| Challenger Florianopolis | 2021/12/06 13:00 | Pedro Sakamoto v Federico Zeballos | 5-7,1-6 |
| Challenger Cleveland | 2022/01/31 19:20 | Alex Rybakov v Sebastian Fanselow | 4-6,6-7 |
| Challenger Cleveland | 2022/01/30 22:20 | Kaichi Uchida v Alex Rybakov | 3-6,7-5,4-6 |
| Challenger Columbus | 2022/01/24 17:40 | Yosuke Watanuki v Alex Rybakov | 7-6,7-6 |
| Challenger Columbus | 2022/01/23 18:00 | Govind Nanda v Alex Rybakov | 7-5,2-6,4-6 |
| UTR Pro Tennis Series - Florida | 2022/01/15 19:32 | Alex Rybakov v Top Nidunjianzan | 1-6,6-2,6-1 |
| UTR Pro Tennis Series - Florida | 2022/01/14 14:00 | Alex Levine Zuckerman v Alex Rybakov | 3-6,3-5 |
| UTR Pro Tennis Series - Florida | 2022/01/13 15:00 | Robert Bauer v Alex Rybakov | 0-6,1-6 |
| UTR Pro Tennis Series - Florida | 2022/01/11 14:00 | Abhishek Bastola v Alex Rybakov | 0-6,0-6 |