Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| ITF M15 Opava | 2021/11/16 10:50 | Scott Duncan v Michal Mikula | 4-6,2-6 |
| ITF M15 Ramat Hasharon | 2021/05/04 07:00 | Scott Duncan v Michal Mikula | 4-6,0-6 |
| ITF M15 Opava | 2021/11/18 11:40 | Savriyan Danilov v Michal Mikula | 1-6,6-1,6-4 |
| ITF M15 Opava | 2021/11/16 10:50 | Scott Duncan v Michal Mikula | 4-6,2-6 |
| ITF M15 Parnu | 2021/10/27 08:10 | Michal Mikula v Vladimir Ivanov | 5-7,3-6 |
| ITF M15 Sharm El Sheikh | 2021/10/14 08:00 | Marek Gengel v Michal Mikula | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2021/10/13 08:00 | Michal Mikula v Andrea Guerrieri | 7-6,7-6 |
| ITF M15 Sharm El Sheikh | 2021/10/06 12:30 | Michal Mikula v Romain Faucon | 1-6,4-6 |
| ITF M25 Poznan | 2021/08/27 09:30 | Matias Zukas v Michal Mikula | 6-3,6-1 |
| ITF M25 Poznan | 2021/08/26 14:25 | Jose Pereira v Michal Mikula | 6-3,2-6,5-7 |
| ITF M15 Ostrava | 2021/11/22 09:00 | Scott Duncan v Leyton Rivera | 3-6,6-4,10-8 |
| ITF M15 Opava | 2021/11/16 10:50 | Scott Duncan v Michal Mikula | 4-6,2-6 |
| ITF M15 Opava | 2021/11/15 10:35 | Scott Duncan v Ying Hou | 6-1,6-2 |
| ITF M15 Opava | 2021/11/14 10:00 | Scott Duncan v Filip Kana | 6-3,6-1 |
| ITF M15 Parnu | 2021/10/27 07:00 | Scott Duncan v Raffael Schaer | 2-6,4-6 |
| ITF M25 Hamburg | 2021/10/17 16:45 | Yannik Steinegger v Scott Duncan | 6-2,2-6,10-6 |
| ITF M25 Hamburg | 2021/10/17 11:15 | Joel Vincent Link v Scott Duncan | 2-6,0-6 |
| ITF M15 Sozopol | 2021/10/11 10:00 | Scott Duncan v George Houghton | 6-4,1-6,5-10 |