Stadium: Court 1 Round: 26 Ground: Clay
| 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 |
| UTR Pro Tennis Series Barcelona | 2021/02/01 09:00 | Paul Cayre v Nikolas Sanchez Izquierdo | 4-6,4-5 |
| UTR Pro Tennis Series Barcelona | 2021/01/28 12:00 | Nikolas Sanchez Izquierdo v Juan Bautista Otegui | 7-5,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/01/27 12:45 | Nikolas Sanchez Izquierdo v Quentin Folliot | 6-4,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/01/26 10:30 | Nikolas Sanchez Izquierdo v Inaki Cabrera Bello | 6-1,5-2 |
| Challenger Nur-Sultan | 2021/02/22 08:50 | Tung-Lin Wu v Hugo Grenier | 6-4,7-5 |
| Challenger Cherbourg | 2021/02/09 12:10 | Peter Gojowczyk v Tung-Lin Wu | 6-2,6-4 |
| Challenger Quimper Qual | 2021/01/31 09:00 | Tung-Lin Wu v Daniel Masur | 1-6,6-3,3-6 |
| Challenger Quimper | 2021/01/25 11:00 | Illya Marchenko v Tung-Lin Wu | 6-3,6-7,6-1 |
| Challenger Quimper | 2021/01/24 13:00 | Tung-Lin Wu v Julian Lenz | 4-6,6-3,6-1 |
| Australian Open | 2021/01/13 07:30 | Tung-Lin Wu v Mario Vilella Martinez | 6-4,5-7,4-6 |
| Australian Open | 2021/01/12 07:30 | Ramkumar Ramanathan v Tung-Lin Wu | 3-6,2-6 |
| Australian Open | 2021/01/10 10:10 | Tung-Lin Wu v Jay Clarke | 6-2,6-4 |