Stadium: Bernard Frances Round: 44 Ground: Hardcourt outdoor
| ITF M15 Valldoreix | 2021/05/09 13:00 | Jaume Pla Malfeito v Clement Deleersnyder | 6-0,6-1 |
| ITF M15 Monastir | 2021/04/26 12:30 | Clement Deleersnyder v Arthur Bouquier | 1-6,3-6 |
| ITF M15 Monastir | 2021/04/26 08:00 | Giorgio Ricca v Clement Deleersnyder | 4-6,6-7 |
| ITF M15 Poitiers | 2021/03/14 08:30 | Clement Deleersnyder v Maxence Beauge | 2-6,4-6 |
| ITF M15 La Nucia | 2021/03/09 08:00 | Benjamin Winter Lopez v Clement Deleersnyder | 6-3,3-6,10-6 |
| ITF M15 La Nucia | 2021/03/08 08:00 | Stefan Cizelj-Zivkovic v Clement Deleersnyder | 2-6,2-6 |
| ITF M15 Monastir | 2020/12/30 08:00 | Thomas Deschamps v Clement Deleersnyder | 0-6,6-3,7-6 |
| ITF M15 Monastir | 2020/12/23 10:25 | Moez Echargui v Clement Deleersnyder | 3-6,6-4,7-5 |
| ITF M25 Vic | 2021/05/16 07:00 | Oleg Prihodko v Jordi Mas De Ugarte | 6-2,6-0 |
| UTR Pro Tennis Series Barcelona | 2021/05/01 11:00 | Zakhar Trapeznikov v Jordi Mas De Ugarte | 2-6,7-6,7-6 |
| UTR Pro Tennis Series Barcelona | 2021/04/30 12:30 | Jordi Mas De Ugarte v Maxime Mora | 6-2,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/04/28 08:00 | Jordi Mas De Ugarte v Alexis Gautier | 3-6,6-7 |
| UTR Pro Tennis Series Barcelona | 2021/04/27 11:30 | Jordi Mas De Ugarte v Kuzey Cekirge | 3-6,0-5 |
| UTR Pro Tennis Series Barcelona | 2021/04/26 08:00 | Thomas Laurent v Jordi Mas De Ugarte | 3-6,5-6 |
| ITF M25 Reus | 2021/04/12 07:30 | Jordi Mas De Ugarte v Max Alcala Gurri | 4-6,7-6,6-10 |
| ITF M25 Reus | 2021/04/11 07:00 | Jaume Pla Malfeito v Jordi Mas De Ugarte | 6-7,1-6 |