Stadium: Court 5 Round: 27 Ground: Clay
| ITF M15 Valldoreix | 2019/05/15 08:30 | Georgii Kravchenko v Nikolas Sanchez Izquierdo | 2-6,6-7 |
| ITF M15 La Nucia | 2021/03/11 12:50 | Johan Sebastien Tatlot v Georgii Kravchenko | 2-6,4-6 |
| ITF M15 La Nucia | 2021/03/10 09:30 | Georgii Kravchenko v Mikel Aranzabal | 6-2,6-2 |
| ITF M15 Antalya | 2021/02/23 09:00 | Yanki Erel v Georgii Kravchenko | 7-6,6-2 |
| ITF M15 Antalya | 2021/02/18 11:50 | Yunseong Chung v Georgii Kravchenko | 6-2,5-7,6-3 |
| ITF M15 Antalya | 2021/02/17 08:40 | Yanki Erel v Georgii Kravchenko | 4-6,6-0,2-6 |
| ITF M15 Antalya | 2021/02/08 07:00 | Georgii Kravchenko v Federico Arnaboldi | 6-7,6-3,2-10 |
| ITF M15 Antalya | 2021/02/07 06:00 | Georgii Kravchenko v Mark Tryakshin | 6-3,6-1 |
| ITF M15 Antalya | 2021/02/02 10:00 | Georgii Kravchenko v Vladimir Korolev | 1-6,3-6 |
| ITF M15 La Nucia | 2021/03/11 13:00 | Nathan Seateun v Nikolas Sanchez Izquierdo | 2-6,1-6 |
| ITF M15 La Nucia | 2021/03/10 13:15 | Giovanni Mpetshi Perricard v Nikolas Sanchez Izquierdo | 4-6,6-4,3-6 |
| Challenger Gran Canaria | 2021/03/03 13:00 | Alessandro Giannessi v Nikolas Sanchez Izquierdo | 7-6,7-5 |
| Challenger Gran Canaria | 2021/03/01 15:30 | Nikolas Sanchez Izquierdo v Andrea Pellegrino | 5-7,7-5,6-3 |
| Challenger Gran Canaria | 2021/02/22 10:00 | Alex Molcan v Nikolas Sanchez Izquierdo | 7-6,6-3 |
| Challenger Gran Canaria | 2021/02/21 10:00 | Tomas Q Perez v Nikolas Sanchez Izquierdo | 1-6,1-6 |
| Challenger Cherbourg | 2021/02/07 14:20 | Nikolas Sanchez Izquierdo v Sander Arends | 6-0,2-6,5-7 |
| UTR Pro Tennis Series Barcelona | 2021/02/03 09:00 | Jaume Pla Malfeito v Nikolas Sanchez Izquierdo | 1-6,3-6 |