Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| Challenger Bengaluru | 2022/02/15 10:45 | Chun Hsin Tseng v Markos Kalovelonis | 2-6,2-6 |
| Challenger Bengaluru | 2022/02/14 04:30 | N.Sriram Balaji v Markos Kalovelonis | 4-6,6-4,4-6 |
| Challenger Bengaluru Qual | 2022/02/13 04:00 | Markos Kalovelonis v Jaroslav Pospisil | 6-4,3-6,6-3 |
| ITF M25 Sharm El Sheikh | 2022/02/01 08:00 | Markos Kalovelonis v Kunal Anand | 6-0,3-6,10-3 |
| ITF M25 Sharm El Sheikh | 2022/01/31 09:30 | Markos Kalovelonis v Michael Bassem Sobhy | 6-4,6-4 |
| ITF M25 Cairo | 2022/01/26 11:25 | Pol Martin Tiffon v Markos Kalovelonis | 6-3,6-2 |
| ITF M25 Nur-Sultan | 2021/10/27 06:10 | Denis Yevseyev v Markos Kalovelonis | 7-6,6-2 |
| ITF M25 Nur-Sultan | 2021/10/20 08:00 | Markos Kalovelonis v Dostanbek Tashbulatov | 6-3,3-6,4-6 |
| Challenger Bengaluru | 2022/02/15 04:30 | Johan Nikles v Raul Brancaccio | 6-7,6-1,7-5 |
| Challenger Bengaluru | 2022/02/06 09:05 | Johan Nikles v Arjun Kadhe | 4-6,4-6 |
| 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 |