| Indonesia International Challenge 2019, MS | 2019/10/24 08:20 | Jun Hao Leong v Jia Heng Jason Teh | L | 1-2 |
| KL Masters | 2023/11/05 09:30 | Chia Hao Lee v Jun Hao Leong | W | 0-2 |
| KL Masters | 2023/11/04 09:45 | Choi, Ji Hoon v Jun Hao Leong | W | 0-2 |
| KL Masters | 2023/11/03 08:50 | Kuan Lin Kuo v Jun Hao Leong | W | 0-2 |
| KL Masters | 2023/11/02 07:30 | Shun Yang Lee v Jun Hao Leong | W | 0-2 |
| KL Masters | 2023/11/01 09:50 | Pyeong Gang Choi v Jun Hao Leong | W | 0-2 |
| Arctic Open | 2023/10/12 10:55 | Jun Hao Leong v Arnaud Merkle | W | 2-1 |
| Arctic Open | 2023/10/11 15:35 | Jun Hao Leong v Joakim Oldorff | W | 2-0 |
| Hong Kong Open 2019, MS | 2023/09/14 11:20 | Jun Hao Leong v Anthony Sinisuka Ginting | L | 0-2 |
| KL Masters | 2023/11/03 08:10 | Sholeh Aidil v Jia Heng Jason Teh | L | 2-1 |
| KL Masters | 2023/11/02 06:05 | Jia Heng Jason Teh v Yin Chak Chan | W | 2-0 |
| KL Masters | 2023/11/01 02:35 | June Wei Cheam v Jia Heng Jason Teh | W | 0-2 |
| KL Masters | 2023/11/01 02:00 | June Wei Cheam v Jia Heng Jason Teh | W | 0-2 |
| KL Masters | 2023/10/31 11:25 | Jack Yu v Jia Heng Jason Teh | W | 1-2 |
| Vietnam Open | 2023/09/16 06:47 | Jia Heng Jason Teh v Takuma Obayashi | L | 1-2 |
| Vietnam Open | 2023/09/15 08:00 | Koo Takahashi v Jia Heng Jason Teh | W | 0-2 |
| Vietnam Open | 2023/09/14 08:45 | Jia Heng Jason Teh v Yushi Tanaka | W | 2-0 |