Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Decatur | 2021/08/03 15:00 | Preston Brown v Connor Farren | 6-4,6-3 |
| ITF M25 Decatur | 2021/08/02 15:00 | Joshua Peck v Connor Farren | 4-6,3-6 |
| ITF M25 Champaign | 2021/07/27 15:00 | Connor Farren v Eliot Spizzirri | 3-6,2-6 |
| ITF M25 Champaign | 2021/07/26 15:00 | Connor Farren v Toby D. Boyer | 6-2,6-3 |
| Challenger Cary | 2021/07/18 19:05 | Alexis Galarneau v Connor Farren | 6-7,6-3,6-1 |
| UTR Pro Tennis Series Atlanta | 2021/07/11 12:00 | Conner Huertas Del Pino v Connor Farren | 2-6,2-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/10 12:00 | Connor Farren v Dane Sweeny | 3-6,6-2,6-3 |
| UTR Pro Tennis Series Atlanta | 2021/07/08 12:00 | Connor Farren v Thomas Paulsell | 6-2,5-3 |
| ATP Los Cabos | 2021/07/19 00:00 | Ernesto Escobedo v Alex Rybakov | 6-2,7-6 |
| ATP Los Cabos | 2021/07/18 02:40 | Gage Brymer v Alex Rybakov | 3-6,4-6 |
| ITF M25 Klosters | 2021/06/23 07:00 | Alex Rybakov v Leandro Riedi | 6-3,6-7,2-6 |
| Challenger Prostejov | 2021/06/15 11:05 | Blaz Rola v Alex Rybakov | 6-1,7-5 |
| Challenger Prostejov | 2021/06/14 08:30 | Alex Rybakov v Jeroen Vanneste | 7-6,7-6 |
| Challenger Prostejov | 2021/06/13 09:00 | Uladzimir Ignatik v Alex Rybakov | 4-6,5-7 |
| ITF M15 Skopje | 2021/06/03 09:30 | Ryan Nijboer v Alex Rybakov | 2-6,7-6,6-4 |
| ITF M15 Skopje | 2021/06/02 08:00 | Kalin Ivanovski v Alex Rybakov | 2-6,2-6 |