Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M25 - Eupen | 2021/09/08 09:50 | Buvaysar Gadamauri v Martin Katz | 6-3,6-3 |
| ITF M15 - Huy | 2021/08/24 15:35 | Martin Katz v Deney Wassermann | 4-6,1-6 |
| ITF M25 - Koksijde | 2021/08/18 11:05 | Martin Katz v Aidan Mchugh | 2-6,6-7 |
| ITF M15 - Monastir | 2021/09/20 08:00 | Nicolo Pozzani v Jiaqi Duan | 6-1,6-4 |
| ITF M15 - Monastir | 2021/09/13 09:00 | Vivien Versier v Jiaqi Duan | 6-7,7-5,10-6 |
| ITF M15 - Monastir | 2021/09/06 09:30 | Jiaqi Duan v Michael Zhu | 4-6,3-6 |
| ITF M15 - Monastir | 2021/08/29 08:00 | Kyle Seelig v Jiaqi Duan | 6-2,6-2 |
| ITF M15 - Antalya | 2020/03/08 08:00 | Jiaqi Duan v Juan Ignacio Alcalde | 1-2 |
| ITF M15 - Antalya | 2020/03/03 10:30 | Tim Riedel v Jiaqi Duan | 6-2,3-6,10-7 |
| ITF M15 - Antalya | 2020/03/02 07:00 | Jiaqi Duan v Berk Ilkel | 6-3,4-6,10-7 |
| ITF M25 - Antalya | 2020/02/23 08:00 | Jiaqi Duan v Alessandro Ingarao | 0-6,0-6 |