| Internazionali del Messico | 2019/09/19 16:30 | Robert Mann v Jose Manuel Gracia | W | 2-0 |
| Internazionali del Belgio - Qual. | 2019/09/11 09:40 | Robert Mann v Jeppe Bruun Christensen | L | 0-2 |
| Internazionali d'Azerbaigian - Qual. | 2019/06/06 05:30 | Robert Mann v Brian Yang | L | 0-2 |
| Internazionali di Slovenia - Qual. | 2019/05/15 09:30 | Alap Mishra v Robert Mann | L | 2-0 |
| Giraldilla International DX | 2019/03/14 14:00 | Robert Mann v Daniel Valdes Perez | W | 2-0 |
| Jamaica Int. | 2019/03/07 15:30 | Nicholas Robert Henson Waller v Robert Mann | L | 2-0 |
| Giraldilla International DX | 2018/11/21 18:40 | Lucas Claerbout v Robert Mann | L | 2-0 |
| Giraldilla International DX | 2018/10/30 19:30 | Luis Enrique Penalver v Robert Mann | L | 2-0 |
| Masters d'Indonesia | 2019/10/01 11:15 | Teck Zhi Soo v Chun Kar Lung | L | 2-0 |
| Open della Corea del Sud - Qual. | 2019/09/24 01:00 | Chun Kar Lung v Kunlavut Vitidsarn | L | 0-2 |
| Open di Taipei Cinese - Qual. | 2019/09/03 02:00 | Chun Kar Lung v Yang Yang | L | 0-2 |
| Masters di Akita | 2019/08/13 02:40 | Teck Zhi Soo v Chun Kar Lung | L | 2-0 |
| Open di Russia | 2019/07/16 00:00 | Nhat Nguyen v Chun Kar Lung | L | 2-0 |
| Open del Canada | 2019/07/03 00:50 | Chun Kar Lung v Lakshya Sen | L | 0-2 |
| China Masters | 2019/03/12 10:40 | Chun Kar Lung v Young Woong Ha | L | 0-2 |
| Giraldilla International DX | 2018/07/25 02:40 | Chun Kar Lung v Kalle Koljonen | L | 0-2 |