Stadium: Court 4 Round: 25 Ground: Clay
| ITF - St Petersburg M15 | 2021/04/17 08:00 | Naoki Tajima v Savriyan Danilov | 4-6,2-6 |
| ITF - St Petersburg M15 | 2021/04/15 07:00 | Naoki Tajima v Marat Deviatiarov | 7-6,6-3 |
| ITF - St Petersburg M15 | 2021/04/14 11:55 | Naoki Tajima v Alexander Wolfschmidt | 6-1,6-2 |
| ITF - St Petersburg M15 | 2021/04/07 07:00 | Naoki Tajima v Alexey Zakharov | 3-6,6-1,3-6 |
| ITF - Monastir M15 | 2021/03/04 11:15 | Naoki Tajima v Franco Agamenone | 0-6,3-6 |
| ITF - Monastir M15 | 2021/03/03 13:20 | Stefano Reitano v Naoki Tajima | 1-6,0-6 |
| ITF - Monastir M15 | 2021/02/23 08:00 | Alexis Gautier v Naoki Tajima | 7-5,6-4 |
| ITF - Monastir M15 | 2021/02/18 11:00 | Naoki Tajima v Jose Fco. Vidal Azorin | 3-6,5-7 |
| ITF - Reus M25 | 2021/04/15 14:30 | Nuno Borges v Alex M Pujolras | 6-2,7-5 |
| ITF - Reus M25 | 2021/04/13 11:35 | Pol Toledo Bague v Alex M Pujolras | 1-6,6-2,2-6 |
| Challenger Marbella | 2021/03/28 11:30 | Vit Kopriva v Alex M Pujolras | 7-6,6-2 |
| ITF - La Nucia M25 | 2021/03/21 10:30 | Georgii Kravchenko v Alex M Pujolras | 3-6,6-3,6-2 |
| ITF - La Nucia M25 | 2021/03/19 14:45 | Jose Fco. Vidal Azorin v Alex M Pujolras | 2-6,7-5,3-6 |
| ITF - La Nucia M25 | 2021/03/19 09:30 | Alex M Pujolras v Yan Bondarevskiy | 6-1,6-2 |
| ITF - La Nucia M25 | 2021/03/16 10:00 | Alex M Pujolras v Arnaud Bovy | 6-2,6-2 |
| Challenger Gran Canaria | 2021/03/01 12:30 | Giulio Zeppieri v Alex M Pujolras | 6-3,2-6,7-6 |