Stadium: Court 21 Round: 44 Ground: Clay
| ITF - M15 Antalya | 2020/03/02 07:00 | Saez-Royuela Ariza, Alvaro v Riedel, Tim | 6-2,4-6,1-10 |
| ITF - M15 Sharm El Sheikh | 2020/02/09 10:00 | John Echeverria v Riedel, Tim | 6-1,6-1 |
| ITF - M15 Sharm El Sheikh | 2020/02/02 08:00 | Riedel, Tim v Soghoyan, Artur | 4-6,4-6 |
| ITF - M15 Antalya | 2020/01/07 11:40 | Riedel, Tim v Michalis Sakellaridis | 5-7,2-6 |
| ITF - M15 Antalya | 2020/01/07 07:00 | Cacciapuoti, Simone v Riedel, Tim | 3-6,4-6 |
| ITF - M15 Antalya | 2020/01/05 07:00 | Riedel, Tim v Carretero, Pablo | 6-7,7-5,10-8 |
| ITF - M15 Monastir | 2019/12/01 08:00 | Tadyszak, Norbert v Riedel, Tim | 7-5,6-1 |
| ITF - M15 Monastir | 2019/11/24 10:30 | Riedel, Tim v Frinzi, Mattia | 0-6,0-6 |
| ITF - M15 Antalya | 2020/03/02 07:00 | Duan, Jia Qi v Berk Ilkel | 6-3,4-6,10-7 |
| ITF - M25 Antalya | 2020/02/23 08:00 | Duan, Jia Qi v Alessandro Ingarao | 0-6,0-6 |
| Shenzhen II, Chine | 2019/10/29 02:00 | Duan, Jia Qi v Yang, Tsung-Hua | 3-6,1-6 |
| Liuzhou, Chine | 2019/10/21 02:00 | Toshihide Matsui v Duan, Jia Qi | 6-1,6-2 |
| Nanchang, Singles M-ITF-CHN-16A | 2019/09/29 02:00 | Wu, Hao v Duan, Jia Qi | 7-5,6-0 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/20 06:40 | Gray, Jonathan v Duan, Jia Qi | 7-6,6-2 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2019/08/12 03:30 | Boyer, Dusty H v Duan, Jia Qi | 6-2,6-3 |
| Hengyang, Simples M-ITF-CHN-10A | 2019/06/17 02:30 | Garrett Johns v Duan, Jia Qi | 6-3,7-6 |