Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Castelo Branco | 2021/07/28 17:20 | Takuto Niki v Luca Giacomini | 4-6,5-7 |
| ITF M25 Idanha-A-Nova | 2021/07/21 12:05 | Takuto Niki v Nicolas Moreno De Alboran | 3-6,2-6 |
| ITF M25 Idanha-A-Nova | 2021/07/15 08:00 | Takuto Niki v Zane Khan | 2-6,3-6 |
| ITF M25 Idanha-A-Nova | 2021/07/13 14:15 | Takuto Niki v Natan Rodrigues | 6-2,6-2 |
| ITF M15 Almada | 2021/07/08 11:15 | Diego F Flores v Takuto Niki | 6-7,6-3,6-4 |
| ITF M15 Almada | 2021/07/07 08:30 | David Jorda Sanchis v Takuto Niki | 2-6,2-6 |
| ITF M15 Heraklion | 2021/06/09 11:10 | Julian Cash v Takuto Niki | 6-1,1-6,6-3 |
| ITF M15 Heraklion | 2021/06/02 10:15 | Takuto Niki v Ze Zhang | 2-6,3-6 |
| ITF M15 Monastir | 2021/06/13 08:30 | Guy Orly Iradukunda v Santiago Rodriguez Taverna | 6-2,4-6,7-6 |
| ITF M15 Monastir | 2021/06/12 08:30 | Jeremy Beale v Guy Orly Iradukunda | 7-6,3-6,4-6 |
| ITF M15 Monastir | 2021/06/11 08:30 | Guy Orly Iradukunda v Seong Chan Hong | 6-4,6-4 |
| ITF M15 Monastir | 2021/06/10 10:30 | Guy Orly Iradukunda v Ryota Tanuma | 2-6,6-4,6-2 |
| ITF M15 Monastir | 2021/06/08 08:30 | Filip Peliwo v Guy Orly Iradukunda | 6-4,3-6,5-7 |
| ITF M15 Monastir | 2021/06/02 12:15 | Emil Reinberg v Guy Orly Iradukunda | 6-4,7-5 |
| ITF M15 Monastir | 2021/05/25 12:05 | Thomas Fancutt v Guy Orly Iradukunda | 6-3,4-6,6-3 |
| ITF M15 Monastir | 2021/05/22 08:30 | Guy Orly Iradukunda v Jeremy Beale | 2-6,7-6,5-7 |