| KL Masters | 11/01 02:00 | - | 치엄 , 준 웨이 v Teh, Jia Heng Jason | W | 0-2 | |
| KL Masters | 10/31 11:25 | 6 | Jack Yu v Teh, Jia Heng Jason | W | 1-2 | |
| Vietnam Open | 09/16 06:47 | 2 | Teh, Jia Heng Jason v 오바야시, 타쿠마 | L | 1-2 | |
| Vietnam Open | 09/15 08:00 | 3 | Koo Takahashi v Teh, Jia Heng Jason | W | 0-2 | |
| Vietnam Open | 09/14 08:45 | 4 | Teh, Jia Heng Jason v Tanaka, Yushi | W | 2-0 | |
| Vietnam Open | 09/13 13:20 | 5 | Teh, Jia Heng Jason v 코, 지아 웨이 조엘 | W | 2-0 | |
| Vietnam Open | 09/12 14:10 | 6 | Teh, Jia Heng Jason v Mekala, Kiran Kumar | W | 2-0 | |
| Indonesia Masters | 09/05 13:50 | 6 | Ken Yon Ong v Teh, Jia Heng Jason | L | 2-0 | |
| World Championships | 08/23 11:45 | 5 | Teh, Jia Heng Jason v 이, 추크 이우 | L | 0-2 | |
| World Championships | 08/21 17:40 | 6 | 루다, 얀 v Teh, Jia Heng Jason | W | 1-2 | |
| Sudirman Cup | 05/16 09:55 | - | Shi, Y. Q. v Teh, Jia Heng Jason | L | 2-0 | |
| SEA Games | 05/10 06:10 | - | 아디나타, 크리스티앙 v Teh, Jia Heng Jason | W | 1-2 | |
| SEA Games | 05/08 03:00 | - | Teh, Jia Heng Jason v Lance Gabriel Vargas | W | 2-0 | |
| Orleans Masters 2019, MS, Qualification | 04/04 08:10 | 4 | Teh, Jia Heng Jason v Lanier, Alex | L | 0-2 | |
| Spain Masters 2020, MS, Qualification | 03/28 11:25 | 3 | Teh, Jia Heng Jason v Matias, Jonathan | L | 0-2 | |
| Spain Masters 2020, MS, Qualification | 03/28 10:00 | 4 | 크리스토퍼슨, 매즈 에밀 v Teh, Jia Heng Jason | - | Cancelled | |
| Spain Masters 2020, MS, Qualification | 03/28 08:00 | 4 | 와이스키르헨, 맥스 v Teh, Jia Heng Jason | W | 0-2 | |
| Polish Open | 03/25 10:20 | - | 콜조넨, 칼레 v Teh, Jia Heng Jason | L | 2-0 | |
| Polish Open | 03/24 11:00 | - | Matias, Jonathan v Teh, Jia Heng Jason | W | 0-2 | |
| Indonesia Masters | 10/19 06:00 | 5 | Min Seon Jung v Teh, Jia Heng Jason | L | 2-1 | |
| Indonesia Masters | 10/18 11:00 | 6 | Teh, Jia Heng Jason v Lee, Yun Gyu | W | 2-0 | |
| Vietnam Open | 09/29 07:00 | 4 | Teh, Jia Heng Jason v 선,페이샹 | L | 0-2 | |
| Vietnam Open | 09/28 07:05 | 5 | 성, 주 벤 v Teh, Jia Heng Jason | - | Retired | |
| World Championships | 08/22 01:15 | 6 | Teh, Jia Heng Jason v 칼주우, 마크 | L | 0-2 | |
| Singapore Open | 07/13 07:45 | 5 | 수기아르토, 토미 v Teh, Jia Heng Jason | L | 2-0 | |
| Singapore Open 2019, MS, Qualification | 07/12 03:40 | - | 치엄 , 준 웨이 v Teh, Jia Heng Jason | W | 1-2 | |
| Singapore Open 2019, MS, Qualification | 07/12 01:00 | - | Teh, Jia Heng Jason v 스벤센, 빅터 | W | 2-1 | |
| Nantes Int. | 06/24 07:00 | - | 포포프, 크리스토 v Teh, Jia Heng Jason | L | 2-0 | |
| Denmark Masters | 06/10 16:20 | - | Teh, Jia Heng Jason v 치엄 , 준 웨이 | L | 0-2 | |
| Denmark Masters | 06/10 11:40 | - | Teh, Jia Heng Jason v Chan, Y. C. | W | 2-0 |