Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Decatur | 2021/08/04 20:15 | Sekou Bangoura v Rio Noguchi | 6-2,6-2 |
| ITF M25 Champaign | 2021/07/28 21:15 | Yusuke Takahashi v Sekou Bangoura | 7-5,6-3 |
| ITF M25 Tulsa | 2021/06/16 01:10 | John McNally v Sekou Bangoura | 6-7,6-3,4-6 |
| Challenger Orlando | 2021/06/07 16:00 | Sekou Bangoura v Dayne Kelly | 6-7,3-6 |
| Challenger Orlando | 2021/06/06 20:05 | Agustin Velotti v Sekou Bangoura | 1-6,1-6 |
| Challenger Little Rock | 2021/05/30 17:05 | Sekou Bangoura v Gage Brymer | 6-4,1-6,5-7 |
| ITF M25 Pensacola | 2021/05/20 16:00 | Sekou Bangoura v Shintaro Mochizuki | 6-3,3-6,6-7 |
| ITF M25 Pensacola | 2021/05/19 18:45 | JC Aragone v Sekou Bangoura | 2-6,4-6 |
| ITF M25 Decatur | 2021/08/04 17:25 | Connor Farren v Alex Rybakov | 5-7,1-6 |
| 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 |