Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| Challenger Alicante | 2021/10/11 10:25 | Denis Yevseyev v Daniel Rincon | 7-5,6-2 |
| Challenger Alicante | 2021/10/10 12:55 | Daniel Rincon v Denys Molchanov | 6-4,7-5 |
| Challenger Barcelona | 2021/10/03 08:00 | Alvaro Lopez San Martin v Daniel Rincon | 4-6,7-5,6-3 |
| Challenger Murcia | 2021/09/28 11:15 | Daniel Rincon v Alex Rybakov | 3-6,2-6 |
| ITF M15 Melilla | 2021/09/26 07:00 | Alex M Pujolras v Daniel Rincon | 6-2,6-1 |
| ITF M15 Melilla | 2021/09/25 12:10 | Daniel Rincon v Kirill Mishkin | 6-3,6-1 |
| ITF M15 Melilla | 2021/09/24 16:10 | Zakhar Trapeznikov v Daniel Rincon | 6-7,6-4,4-6 |
| Challenger Mallorca | 2021/08/31 12:55 | Daniel Rincon v Stefan Kozlov | 3-6,6-1,1-6 |
| ITF M15 Monastir | 2021/10/26 10:00 | Pierre Antoine Tailleu v Yannick Wunderlich | 4-6,1-6 |
| ITF M15 Monastir | 2021/10/25 10:00 | Pierre Antoine Tailleu v Ivan Kazakov | 2-6,6-4,10-5 |
| ITF M25 Plaisir | 2021/09/12 12:30 | Pierre Antoine Tailleu v Warren Sinius | 6-7,3-6 |
| ITF M25 Bagneres-De-Bigorre | 2021/08/29 09:00 | Matt Ponchet v Pierre Antoine Tailleu | 3-6,6-4,16-14 |
| ITF M25 Ajaccio | 2021/07/07 10:00 | Pierre Antoine Tailleu v Yannick Mertens | 4-6,4-6 |
| ITF M25 Ajaccio | 2021/07/05 15:30 | Pierre Antoine Tailleu v Raphael Gomila | 6-1,6-1 |
| ITF M15 Monastir | 2021/06/06 10:00 | Sungbeen Sim v Pierre Antoine Tailleu | 6-3,7-6 |
| ITF M15 Monastir | 2021/04/22 08:30 | Pierre Antoine Tailleu v Jonathan Mridha | 0-6,1-6 |