Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Nur Sultan, Kazakhstan | 2021/07/19 06:10 | Ergi Kirkin v Benjamin Lock | 5-7,7-6,3-6 |
| Challenger Nur-Sultan Qual | 2021/07/18 09:00 | Ozernoy, Danil v Benjamin Lock | 4-6,0-6 |
| Nur Sultan, Kazakhstan | 2021/07/12 06:30 | Bondarevskiy, Yan v Benjamin Lock | 2-6,7-6,6-2 |
| Nur Sultan, Kazakhstan | 2021/07/11 06:20 | Manafov, Vladyslav v Benjamin Lock | 6-7,3-6 |
| ITF M25 Nur-Sultan | 2021/07/06 09:15 | Manafov, Vladyslav v Benjamin Lock | 6-3,6-4 |
| ITF M15 Bergamo | 2021/06/23 11:25 | Capecchi, Daniele v Benjamin Lock | 6-4,5-7,6-4 |
| Forli 6, Italy | 2021/06/13 15:45 | Benjamin Lock v Forti, Francesco | 6-2,1-6,4-6 |
| ITF M15 Gaiba | 2021/06/13 09:30 | Mats Rosenkranz v Benjamin Lock | 7-6,7-6 |
| Nur Sultan, Kazakhstan | 2021/07/15 06:00 | Stakhovsky, Sergiy v Jason Kubler | 2-6,6-3,2-6 |
| Nur Sultan, Kazakhstan | 2021/07/13 06:10 | Stakhovsky, Sergiy v Pavel Kotov | 7-5,6-2 |
| Challenger Porto | 2021/07/03 10:00 | Altug Celikbilek v Stakhovsky, Sergiy | 6-2,6-1 |
| Challenger Porto | 2021/07/02 12:00 | Goncalo Oliveira v Stakhovsky, Sergiy | 6-7,6-7 |
| Challenger Porto | 2021/06/30 13:45 | Viola, Matteo v Stakhovsky, Sergiy | 2-6,6-4,5-7 |
| Challenger Porto | 2021/06/28 14:50 | Stakhovsky, Sergiy v Soeda, Go | 2-6,6-2,7-6 |
| Wimbledon, London, Great Britain | 2021/06/23 14:15 | Gregoire Barrere v Stakhovsky, Sergiy | 7-5,6-3 |
| Wimbledon, London, Great Britain | 2021/06/22 14:50 | Stakhovsky, Sergiy v Soeda, Go | 6-3,7-6 |