Estadio: Court 2 Round: 54 Ground: Clay
| ITF M25 Alkmaar | 2021/06/24 15:00 | Nicolas Alvarez Varona v Carlos Lopez Montagud | 5-7,6-3,6-2 |
| ITF M25 Alkmaar | 2021/06/23 12:10 | Louis Wessels v Carlos Lopez Montagud | 3-6,6-4,4-6 |
| ITF M25 Alkmaar | 2021/06/21 18:30 | Carlos Lopez Montagud v Benjamin Dhoe | 6-3,6-4 |
| ITF M15 Marbella | 2021/05/27 07:30 | Carlos Lopez Montagud v Roman Andres Burruchaga | 6-7,2-6 |
| ITF M15 Marbella | 2021/05/25 12:05 | Mick Lescure v Carlos Lopez Montagud | 3-6,5-7 |
| ITF M25 Vic | 2021/05/21 12:55 | Carlos Lopez Montagud v Pedro Cachin | 1-6,6-4,1-6 |
| ITF M25 Vic | 2021/05/20 09:00 | Carlos Lopez Montagud v Raul Brancaccio | 6-1,1-6,6-2 |
| ITF M25 Vic | 2021/05/19 13:50 | Filip Cristian Jianu v Carlos Lopez Montagud | 6-7,4-6 |
| ITF M15 Skopje | 2021/06/07 11:30 | Fons Van Sambeek v Taiyo Yamanaka | 6-2,2-6,6-10 |
| ITF M15 Monastir | 2021/04/12 08:00 | Fons Van Sambeek v Fabio Coelho | 6-4,0-6,5-10 |
| ITF M15 Monastir | 2021/04/11 09:00 | Fons Van Sambeek v Osgar O'Hoisin | 6-3,6-2 |
| ITF M15 Monastir | 2021/04/05 13:30 | Igor Marcondes v Fons Van Sambeek | 7-5,6-3 |
| ITF M15 Monastir | 2021/04/05 09:00 | Fons Van Sambeek v Lukas H Lilleengen | 6-2,7-5 |
| ITF M15 Monastir | 2021/04/04 11:30 | Fons Van Sambeek v Facundo Yunis | 4-6,6-4,10-8 |
| ITF M15 Monastir | 2021/02/22 12:30 | Naoki Nakagawa v Fons Van Sambeek | 6-2,6-1 |
| ITF M15 Monastir | 2021/02/22 08:00 | Luigi Castelletti v Fons Van Sambeek | 6-7,4-6 |