| Challenger - Ochsenhausen | 2021/10/19 09:00 | Damian Zech v Felipe Duffoo | W | 1-3 |
| Challenger - Ochsenhausen | 2021/10/19 07:00 | Josip Huzjak v Felipe Duffoo | L | 3-0 |
| Challenger - Ochsenhausen | 2021/10/18 18:40 | Marius Henninger v Felipe Duffoo | W | 2-3 |
| Challenger - Ochsenhausen | 2021/10/18 16:40 | Felipe Duffoo v Carlo Rossi | W | 3-2 |
| Challenger - Ochsenhausen | 2021/10/18 14:00 | Felipe Duffoo v Islombek Sultonov | W | 3-2 |
| Challenger - Ochsenhausen | 2021/10/18 11:10 | Felipe Duffoo v Liang Qiu | L | 0-3 |
| Challenger - Ochsenhausen | 2021/10/18 08:30 | Guilherme Teodoro v Felipe Duffoo | L | 3-0 |
| Slovenia Open U21 | 2019/05/09 08:20 | Jeet Chandra v Felipe Duffoo | L | 3-0 |
| Indonesia Open | 2019/11/14 06:00 | Yu-Jen Huang v Daniel Memmi | W | 3-1 |
| Indonesia Open | 2019/11/13 12:20 | Masaki Takami v Yu-Jen Huang | L | 3-1 |
| Thailand Open U21 | 2019/05/24 03:05 | Yu-Jen Huang v Hsin-Yu Li | L | 0-3 |
| Thailand Open U21 | 2019/05/23 11:40 | Yu-Jen Huang v Kun Ting Beh | W | 3-2 |
| Thailand Open | 2019/05/23 06:45 | Hyundeok Seo v Yu-Jen Huang | L | 3-0 |
| Thailand Open | 2019/05/23 06:45 | Hyundeok Seo v Yu-Jen Huang | L | 3-0 |
| Thailand Open U21 | 2019/05/23 03:00 | Jeremy Hazin v Yu-Jen Huang | W | 2-3 |