Stadium: Court 3 Round: 28 Ground: Clay
| ITF M25 Alkmaar | 2021/06/23 12:10 | Louis Wessels v Carlos Lopez Montagud | 3-6,6-4,4-6 |
| ITF M25 Madrid | 2021/09/17 10:45 | Valentin Lapalu v Louis Wessels | 3-6,3-6 |
| ITF M25 Madrid | 2021/09/16 08:00 | Miguel Damas v Louis Wessels | 5-7,4-6 |
| ITF M25 Madrid | 2021/09/15 07:00 | Digvijay Pratap Singh v Louis Wessels | 6-4,3-6,2-6 |
| ITF M25 Trier | 2021/08/29 09:00 | Tim Handel v Louis Wessels | 6-2,6-4 |
| ITF M25 Trier | 2021/08/28 12:40 | Louis Wessels v Henri Squire | 7-5,5-7,6-3 |
| ITF M25 Trier | 2021/08/27 10:00 | Quentin Folliot v Louis Wessels | 1-6,1-6 |
| ITF M25 Trier | 2021/08/26 11:55 | Patrick Zahraj v Louis Wessels | 2-6,6-3,2-6 |
| ITF M25 Trier | 2021/08/25 11:00 | Yannik Steinegger v Louis Wessels | 5-7,3-6 |
| ITF M25 Madrid | 2021/09/17 08:00 | Carlos Lopez Montagud v Omar Giacalone | 7-6,0-6,7-6 |
| ITF M25 Madrid | 2021/09/16 07:55 | Carlos Lopez Montagud v Juan Ignacio Galarza | 2-6,6-1,6-4 |
| ITF M25 Madrid | 2021/09/15 08:55 | Jacopo Berrettini v Carlos Lopez Montagud | 4-6,6-4,2-6 |
| ITF M25 Oviedo | 2021/09/01 14:40 | Carlos Lopez Montagud v Alvaro Lopez San Martin | 4-6,6-2,2-6 |
| ITF M25 Oviedo | 2021/08/31 14:05 | Rio Noguchi v Carlos Lopez Montagud | 2-6,4-6 |
| ITF M25 Santander | 2021/08/24 08:55 | Carlos Lopez Montagud v Juan Bautista Torres | 4-6,2-6 |
| ITF M15 Xativa | 2021/08/07 14:55 | Carlos Lopez Montagud v Francesco Passaro | 6-2,5-7,4-6 |
| ITF M15 Xativa | 2021/08/05 16:30 | Carlos Lopez Montagud v Miguel Damas | 6-4,6-2 |