| US Open 2019, MS | 2019/07/11 03:25 | Pablo Abian v Heo, Kwang Hee | W | 0-2 |
| Canada Open | 2019/07/05 23:30 | Tzu Wei Wang v Heo, Kwang Hee | L | 2-0 |
| Canada Open | 2019/07/05 00:10 | Heo, Kwang Hee v Chun-Yi Lin | W | 2-1 |
| Canada Open | 2019/07/03 17:50 | Sakai, Kazumasa v Heo, Kwang Hee | W | 0-2 |
| Canada Open | 2019/07/03 01:20 | Heo, Kwang Hee v Chia Hao Lee | W | 2-0 |
| Australian Open | 2019/06/05 03:00 | Heo, Kwang Hee v Anthony Sinisuka Ginting | L | 1-2 |
| Sudirman Cup | 2019/05/23 10:30 | Heo, Kwang Hee v Kantaphon Wangcharoen | L | 0-2 |
| Sudirman Cup | 2019/05/20 11:00 | Heo, Kwang Hee v Ka Long Angus NG | L | 1-2 |
| US Open 2019, MS | 2019/07/11 01:55 | Igarashi, Yu v H.S. Prannoy | W | 1-2 |
| Canada Open | 2019/07/03 19:00 | Koki Watanabe v H.S. Prannoy | L | 2-0 |
| Australian Open | 2019/06/05 09:00 | Lin, Dan v H.S. Prannoy | L | 2-0 |
| New Zealand Open 2019, MS | 2019/05/03 05:30 | Kanta Tsuneyama v H.S. Prannoy | L | 2-1 |
| New Zealand Open 2019, MS | 2019/05/02 08:20 | H.S. Prannoy v Tommy Sugiarto | W | 2-0 |
| New Zealand Open 2019, MS | 2019/05/01 07:20 | H.S. Prannoy v Kean Yew Loh | W | 2-0 |
| Singapore Open | 2019/04/11 11:45 | Kento Momota v H.S. Prannoy | L | 2-0 |
| Singapore Open | 2019/04/10 06:40 | Leverdez, Brice v H.S. Prannoy | W | 1-2 |