Stadium: Court 1 Round: 28 Ground: Hardcourt outdoor
| ITF M25 - Decatur | 2021/08/06 17:10 | Yunseong Chung v Eliot Spizzirri | 4-6,4-6 |
| ITF M25 - Decatur | 2021/08/05 18:35 | Eliot Spizzirri v Alfredo Perez | 5-7,6-1,6-1 |
| ITF M25 - Decatur | 2021/08/04 16:55 | Preston Brown v Eliot Spizzirri | 0-6,3-6 |
| ITF M25 - Decatur | 2021/08/03 15:00 | Eliot Spizzirri v Jesse Flores | 4-6,6-2,10-3 |
| ITF M25 - Decatur | 2021/08/02 15:00 | Naoki Nakagawa v Eliot Spizzirri | 6-7,1-6 |
| ITF M25 - Champaign | 2021/07/28 15:00 | Felix Corwin v Eliot Spizzirri | 7-5,7-6 |
| 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 | Parth Aggarwal v Eliot Spizzirri | 1-6,1-6 |
| ITF M25 - Decatur | 2021/08/06 15:00 | Alex Rybakov v Gijs Brouwer | 7-5,6-3 |
| ITF M25 - Decatur | 2021/08/05 17:40 | Sekou Bangoura v Alex Rybakov | 1-6,4-6 |
| 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 |