Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Novomoskovsk | 2021/05/28 07:15 | Ivan Nedelko v Carlos Sanchez Jover | 4-6,3-6 |
| ITF M15 Novomoskovsk | 2021/05/27 12:00 | Ivan Nedelko v Nikita Alosha | 6-0,6-1 |
| ITF M15 Novomoskovsk | 2021/05/26 09:05 | Ivan Nedelko v Gabriel Donev | 6-3,6-4 |
| ITF M15 Antalya | 2021/05/20 07:30 | Luca Nardi v Ivan Nedelko | 7-5,6-2 |
| ITF M15 Antalya | 2021/05/19 10:00 | Paul Woerner v Ivan Nedelko | 7-6,5-7,4-6 |
| ITF M15 Antalya | 2021/05/13 06:50 | Naoki Nakagawa v Ivan Nedelko | 4-6,7-6,6-3 |
| ITF M15 Antalya | 2021/05/11 07:00 | Umut Akkoyun v Ivan Nedelko | 2-6,0-6 |
| ITF M15 St Petersburg | 2021/04/11 09:00 | Ivan Nedelko v Illya Beloborodko | 2-6,7-5,6-4 |
| ITF M15 Tbilisi | 2021/05/20 09:40 | Aidan Mayo v Marek Gengel | 3-6,2-6 |
| ITF M15 Tbilisi | 2021/05/18 07:00 | Aidan Mayo v Saba Purtseladze | 6-2,6-4 |
| ITF M15 Jerusalem | 2021/05/13 10:15 | Aidan Mayo v Ben Patael | 4-6,3-6 |
| ITF M15 Jerusalem | 2021/05/12 08:40 | Kelsey Stevenson v Aidan Mayo | 4-6,0-6 |
| ITF M15 Ramat Hasharon | 2021/05/05 13:05 | Filip Bergevi v Aidan Mayo | 6-3,6-7,7-6 |
| UTR Pro Tennis Series California | 2021/02/21 18:00 | Kyle Kang v Aidan Mayo | 3-6,6-2,6-4 |
| UTR Pro Tennis Series California | 2021/02/20 20:30 | Colton Smith v Aidan Mayo | 6-1,6-7,3-6 |
| UTR Pro Tennis Series California | 2021/02/19 21:30 | Connor Farren v Aidan Mayo | 3-6,6-4,6-6 |