Stadium: Court 3 Round: 62
| ITF M15 Platja D'Aro | 2021/10/10 11:00 | Egill Sigurdsson v Marc Othman Ktiri | 0-6,0-6 |
| ITF M15 Platja D'Aro | 2021/10/05 08:30 | Marc Othman Ktiri v Maik Steiner | 6-4,4-6,7-10 |
| ITF M15 Platja D'Aro | 2021/10/04 11:00 | Franco Emanuel Egea v Marc Othman Ktiri | 6-2,4-6,10-12 |
| ITF M15 Platja D'Aro | 2021/10/03 12:00 | Nacho Serra Sanchez v Marc Othman Ktiri | 2-6,3-6 |
| ITF M15 Novi Sad | 2021/07/25 09:30 | Marc Othman Ktiri v Gorazd Srbljak | 4-6,1-6 |
| ATP Mallorca | 2021/06/19 13:45 | Lucas Pouille v Marc Othman Ktiri | 5-7,6-2,6-2 |
| ITF M15 Antalya | 2021/02/22 07:00 | Dragos Nicolae Madaras v Marc Othman Ktiri | 1-6,6-4,10-6 |
| ITF M15 Antalya | 2021/02/21 13:00 | Onder Balci v Marc Othman Ktiri | 1-6,2-6 |
| ITF M15 Platja D'Aro | 2021/10/10 08:00 | Ervin H Eminefendic v Jaime Caldes | 3-6,1-6 |
| ITF M15 Melilla | 2021/09/21 11:00 | Max Alcala Gurri v Jaime Caldes | 6-4,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/06/25 11:00 | Alejandro Moro Canas v Jaime Caldes | 6-0,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/06/23 11:00 | Jaime Caldes v Javier Alejandro Mendoza Crespo | 6-3,3-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/22 16:00 | Jaime Caldes v Gerard Planelles Ripoll | 6-4,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/06/21 09:30 | Jaime Caldes v Andrey Chepelev | 3-6,7-6,2-5 |
| ITF M15 Marbella | 2021/05/23 14:00 | Oriol Fillat Gimenez v Jaime Caldes | 6-3,6-3 |
| ITF M25 La Nucia | 2021/03/16 10:15 | Jaime Caldes v Diego A B Sanchez | 7-6,2-6,7-10 |