Stadium: Central Round: 25 Ground: Hardcourt outdoor
| ITF M15 Madrid | 2021/10/30 13:45 | Coleman Wong v Diego A B Sanchez | 6-4,6-7,1-6 |
| ITF M15 Madrid | 2021/10/29 07:30 | Mario Mansilla Diez v Coleman Wong | 5-7,1-6 |
| 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 Selva Gardena | 2021/10/27 08:00 | Luca Potenza v Federico Iannaccone | 6-3,4-6,7-6 |
| ITF M15 Selva Gardena | 2021/10/25 16:30 | Jonas Trinker v Federico Iannaccone | 1-6,3-6 |
| ITF M25 Budapest | 2021/10/01 11:45 | Federico Iannaccone v Fabian Marozsan | 6-1,2-6,3-6 |
| ITF M25 Budapest | 2021/09/30 09:00 | Peter Nagy v Federico Iannaccone | 6-7,0-6 |
| ITF M25 Budapest | 2021/09/28 07:30 | Martin Zeljenka v Federico Iannaccone | 1-6,0-6 |
| ITF M15 Pirot | 2021/09/25 08:00 | Aldin Setkic v Federico Iannaccone | 6-3,3-6,7-6 |
| ITF M15 Pirot | 2021/09/24 08:00 | Dominik Palan v Federico Iannaccone | 2-6,1-6 |
| ITF M15 Pirot | 2021/09/23 08:00 | Nicolas Parizzia v Federico Iannaccone | 4-6,2-6 |