Stadium: Court 6 Round: 25 Ground: Clay
| ITF - M15 Valldoreix | 2021/05/11 09:00 | Alvaro Lopez San Martin v Yan Bondarevskiy | 6-2,6-3 |
| ITF - M15 LPD Gran Canaria | 2021/04/29 09:00 | Yan Bondarevskiy v Alvaro Lopez San Martin | 5-7,1-6 |
| Challenger - Amersfoort | 2021/07/12 09:00 | Alvaro Lopez San Martin v Deney Wassermann | 4-6,4-6 |
| Challenger - Amersfoort | 2021/07/11 10:00 | Alvaro Lopez San Martin v Bart Van Den Berg | 6-2,6-3 |
| ITF - M25 Marburg | 2021/07/09 09:00 | Alvaro Lopez San Martin v Marko Tepavac | 5-7,3-6 |
| ITF - M25 Marburg | 2021/07/08 08:50 | Alvaro Lopez San Martin v Sidane Pontjodikromo | 2-6,6-3,6-3 |
| ITF - M25 Marburg | 2021/07/06 16:00 | Alvaro Lopez San Martin v Gauthier Onclin | 6-3,6-3 |
| ITF - M25 Grasse | 2021/06/20 12:50 | Alvaro Lopez San Martin v Valentin Royer | 7-6,7-5 |
| ITF - M25 Grasse | 2021/06/18 08:00 | Alvaro Lopez San Martin v Emilien Voisin | 6-3,4-6,6-2 |
| ITF - M25 Grasse | 2021/06/17 08:00 | Markus Eriksson v Alvaro Lopez San Martin | 2-6,1-6 |
| Challenger - Nur-Sultan | 2021/07/13 07:15 | Yunseong Chung v Yan Bondarevskiy | 6-3,6-4 |
| Challenger - Nur-Sultan | 2021/07/12 06:30 | Yan Bondarevskiy v Benjamin Lock | 2-6,7-6,6-2 |
| Challenger - Nur-Sultan | 2021/07/11 04:00 | Alexey Zakharov v Yan Bondarevskiy | 7-5,4-6,2-6 |
| ITF - M25 Nur-Sultan | 2021/07/08 07:30 | Andrey Kuznetsov v Yan Bondarevskiy | 6-3,6-2 |
| ITF - M25 Nur-Sultan | 2021/07/07 04:00 | Yan Bondarevskiy v Egor Novikov | 6-4,6-4 |
| ITF - M15 Shymkent | 2021/06/06 04:00 | Yan Bondarevskiy v Edoardo Lavagno | 7-5,2-6,3-6 |
| ITF - M15 Shymkent | 2021/06/05 05:00 | Yan Bondarevskiy v Ivan Gakhov | 7-6,6-4 |
| ITF - M15 Shymkent | 2021/06/04 07:00 | Yan Bondarevskiy v Aleksandre Metreveli | 6-4,7-5 |