| Dutch Open | 2019/10/08 17:15 | Pengbo Ren v B.M. Rahul Bharadwaj | L | 1-2 |
| Indonesia Masters | 2019/10/04 07:30 | Tanongsak Saensomboonsuk v Pengbo Ren | L | 2-1 |
| Indonesia Masters | 2019/10/03 10:10 | Sony Dwi Kuncoro v Pengbo Ren | W | 1-2 |
| Indonesia Masters | 2019/10/02 11:10 | Pengbo Ren v Firman Abdul Kholik | W | 2-1 |
| Indonesia Masters | 2019/10/01 12:00 | Xiaodong Sheng v Pengbo Ren | W | 1-2 |
| Thailand Open | 2019/07/31 06:10 | Srikanth Kidambi v Pengbo Ren | L | 2-1 |
| Canada Open | 2019/07/04 22:30 | Parupalli Kashyap v Pengbo Ren | L | 2-1 |
| Canada Open | 2019/07/03 17:40 | Pengbo Ren v Karan Rajan Rajarajan | W | 2-1 |
| Macau Open Qual | 2019/10/29 01:40 | Robert Mann v Chun Kar Lung | W | 2-0 |
| Int. Mexicano | 2019/09/19 16:30 | Robert Mann v Jose Manuel Gracia | W | 2-0 |
| Belgian Int. Qual | 2019/09/11 09:40 | Robert Mann v Jeppe Bruun Christensen | L | 0-2 |
| Azerbaijan Int. Qual | 2019/06/06 05:30 | Robert Mann v Brian Yang | L | 0-2 |
| Slovenia Int. Qual | 2019/05/15 09:30 | Alap Mishra v Robert Mann | L | 2-0 |
| Giraldilla Int. XD | 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 Int. XD | 2018/11/21 18:40 | Lucas Claerbout v Robert Mann | L | 2-0 |