Stadium: Court 2 Round: 14 Ground: Clay
| Challenger Oeiras | 2021/05/28 11:55 | Filip Cristian Jianu v Nuno Borges | 4-6,4-6 |
| Challenger Oeiras | 2021/05/27 13:35 | Chun Hsin Tseng v Filip Cristian Jianu | 3-6,6-3,1-6 |
| Challenger Oeiras | 2021/05/25 14:00 | Johannes Haerteis v Filip Cristian Jianu | 3-6,0-6 |
| Challenger Oeiras | 2021/05/24 10:00 | Filip Cristian Jianu v Federico Zeballos | 6-4,7-5 |
| Challenger Oeiras | 2021/05/23 10:00 | Filip Cristian Jianu v Francisco Cabral | 6-7,6-4,6-2 |
| ITF M25 Vic | 2021/05/19 13:50 | Filip Cristian Jianu v Carlos Lopez Montagud | 6-7,4-6 |
| ITF M15 Antalya | 2021/05/07 06:55 | Filip Cristian Jianu v Orlando Luz | 1-6,6-3,3-6 |
| ITF M15 Antalya | 2021/05/06 11:10 | Filip Cristian Jianu v Jacopo Berrettini | 6-2,6-4 |
| ITF M15 Shymkent | 2021/06/02 07:10 | Louroi Martinez v Tsung-Hua Yang | 2-6,6-4,6-0 |
| ITF M15 Shymkent | 2021/05/26 06:40 | Tsung-Hua Yang v Yan Bondarevskiy | 4-6,3-6 |
| Challenger Orlando | 2020/11/14 15:00 | Tsung-Hua Yang v Zachary Svajda | 6-7,6-3,0-6 |
| ITF M15 Quinta Do Lago | 2020/11/07 15:00 | Sebastian Fanselow v Tsung-Hua Yang | 6-1,6-3 |
| ITF M15 Quinta Do Lago | 2020/11/07 10:00 | Antoine Bellier v Tsung-Hua Yang | 4-6,4-6 |
| ITF M15 Quinta Do Lago | 2020/11/03 12:00 | Wilson Leite v Tsung-Hua Yang | 3-6,0-6 |
| ITF M25 Vale Do Lobo | 2020/10/29 09:30 | Tsung-Hua Yang v Jesper De Jong | 3-6,3-6 |
| ITF M25 Vale Do Lobo | 2020/10/27 12:00 | Felipe Meligeni Rodrigues Alves v Tsung-Hua Yang | 4-6,3-6 |