| Open de Pologne - Qualif. | 03/20 13:50 | - | Reddy S. Stithapragnya v Nathan Tang | L | 2-1 | |
| Dutch Int. - | 03/15 09:50 | - | Nathan Tang v Ditlev Jaeger Holm | L | 0-2 | |
| Korea Masters 2019, MS, Qualification | 11/07 01:00 | 4 | Nathan Tang v Po-Wei Wang | - | CANC | |
| World Championships | 08/21 12:00 | 6 | Nathan Tang v Chico Aura Dwi Wardoyo | L | 0-2 | |
| Australian Open | 08/01 23:45 | 5 | Priyanshu Rajawat v Nathan Tang | L | 2-0 | |
| US Open 2019, MS, Qualification | 07/11 15:00 | 4 | Lan Xi Lei v Nathan Tang | - | CANC | |
| Taipei Open Qual | 06/20 02:00 | - | Nathan Tang v Yu Kai Huang | L | 0-2 | |
| Sudirman Cup | 05/15 02:20 | - | Tien Chen Chou v Nathan Tang | L | 2-0 | |
| Dutch Int. - | 04/14 10:40 | - | Nathan Tang v Joran Kweekel | L | 0-2 | |
| Open de Pologne - Qualif. | 03/22 17:55 | - | Jack Yu v Nathan Tang | L | 2-0 | |
| International du Portugal | 03/10 14:35 | - | Valentin Singer v Nathan Tang | L | 2-0 | |
| Australian Open | 11/18 04:20 | 3 | Nathan Tang v Tze Yong Ng | L | 0-2 |