Stadium: Centre Court Round: 14 Ground: Hardcourt outdoor
| Challenger Rio De Janeiro | 2021/12/15 14:00 | Thiago Seyboth Wild v Johan Nikles | 6-1,3-6,7-5 |
| Challenger Rio De Janeiro | 2021/12/14 13:00 | Johan Nikles v Luca Castelnuovo | 6-2,6-4 |
| Challenger Florianopolis | 2021/12/09 14:25 | Juan Ignacio Londero v Johan Nikles | 6-1,6-4 |
| Challenger Florianopolis | 2021/12/06 19:00 | Guilherme Clezar v Johan Nikles | 3-6,7-6,2-6 |
| Challenger Sao Paulo | 2021/12/01 14:15 | Johan Nikles v Felipe Meligeni Rodrigues Alves | 7-6,2-6,1-6 |
| Challenger Sao Paulo | 2021/11/30 12:30 | Johan Nikles v Kaichi Uchida | 6-7,7-6,6-0 |
| Challenger Brasilia | 2021/11/22 16:00 | Johan Nikles v Juan Ignacio Londero | 4-6,4-6 |
| Challenger Campinas | 2021/11/16 13:00 | Thiago Monteiro v Johan Nikles | 6-2,6-1 |
| ATP Pune | 2022/02/01 09:55 | Arjun Kadhe v Joao Sousa | 7-6,6-7,2-6 |
| Challenger Manama | 2021/11/21 12:00 | Arjun Kadhe v Marek Gengel | 6-4,4-6,3-6 |
| Challenger Champaign | 2021/11/16 22:10 | Pedja Krstin v Arjun Kadhe | 7-5,7-5 |
| Challenger Champaign | 2021/11/15 17:50 | Arjun Kadhe v Evan King | 6-4,6-7,6-2 |
| Challenger Champaign | 2021/11/14 19:20 | Mukund Sasikumar v Arjun Kadhe | 4-6,6-3,3-6 |
| Challenger Knoxville | 2021/11/07 18:10 | Aidan Mchugh v Arjun Kadhe | 6-3,7-6 |
| Challenger Charlottesville | 2021/10/31 15:00 | Christian Harrison v Arjun Kadhe | 6-2,6-2 |
| Challenger Losinj | 2021/10/19 10:40 | Filip Misolic v Arjun Kadhe | 6-1,6-2 |