Stadium: Court 4 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Madrid | 2021/10/28 09:30 | Alejandro Moro Canas v Mario Mansilla Diez | 5-7,6-3,6-7 |
| ITF M15 Madrid | 2021/10/27 10:30 | Mario Mansilla Diez v Max Alcala Gurri | 6-3,6-7,6-1 |
| ITF M15 Girona | 2021/10/21 08:00 | Mario Mansilla Diez v Pol Toledo Bague | 3-6,2-6 |
| ITF M15 Girona | 2021/10/20 11:20 | Maxime Mora v Mario Mansilla Diez | 2-6,7-5,5-7 |
| ITF M15 Girona | 2021/10/19 08:00 | Ignasi De Rueda De Genover v Mario Mansilla Diez | 0-6,4-6 |
| ITF M15 Girona | 2021/10/18 08:00 | Mario Mansilla Diez v Noah Lopez | 6-2,6-0 |
| ITF M15 Girona | 2021/10/17 10:30 | Kirill Mishkin v Mario Mansilla Diez | 1-6,0-6 |
| ITF M15 Platja D'Aro | 2021/10/10 11:00 | Max Houkes v Mario Mansilla Diez | 6-3,6-4 |
| ITF M15 Madrid | 2021/10/28 13:20 | Jorge Martinez Martinez v Coleman Wong | 4-6,4-6 |
| ITF M15 Madrid | 2021/10/27 10:45 | Coleman Wong v Carlos Lopez Montagud | 7-6,6-4 |
| ITF M15 Platja D'Aro | 2021/10/12 09:40 | Coleman Wong v Aleksandre Metreveli | 7-6,3-6,4-6 |
| Davis Cup | 2021/09/18 07:00 | Coleman Wong v Seif Adas | 6-2,6-1 |
| Davis Cup | 2021/09/16 07:00 | Coleman Wong v Abdulhamid Mubarak | 6-4,6-2 |
| Davis Cup | 2021/09/15 06:55 | Coleman Wong v Hao Sheng Koay | 6-3,6-1 |
| ITF M15 Monastir | 2021/08/10 07:30 | Coleman Wong v Tomohiro Masabayashi | 5-7,4-6 |
| ITF M15 Monastir | 2021/08/09 08:30 | Rimpei Kawakami v Coleman Wong | 3-6,7-6,7-10 |