| Hyderabad Open 2019, MS | 2019/08/09 11:30 | Heo, Kwang Hee v Kalle Koljonen | W | 2-0 |
| Hyderabad Open 2019, MS | 2019/08/08 07:15 | Heo, Kwang Hee v Mithun Manjunath | W | 2-1 |
| Hyderabad Open 2019, MS | 2019/08/07 10:10 | Sameer Verma v Heo, Kwang Hee | W | 0-2 |
| Hyderabad Open 2019, MS | 2019/08/06 13:30 | Thakur, Siddharath v Heo, Kwang Hee | W | 0-2 |
| Open de Thaïlande - Qualif. | 2019/07/30 03:10 | Lucas Claerbout v Heo, Kwang Hee | L | 2-0 |
| US Open 2019, MS | 2019/07/11 22:55 | Heo, Kwang Hee v H.S. Prannoy | L | 1-2 |
| 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 |
| Hyderabad Open 2019, MS | 2019/08/09 09:30 | Kean Yew Loh v Subhankar Dey | W | 2-0 |
| Hyderabad Open 2019, MS | 2019/08/08 11:00 | Parupalli, Kashyap v Kean Yew Loh | W | 1-2 |
| Hyderabad Open 2019, MS | 2019/08/06 14:50 | Lam, Timothy v Kean Yew Loh | W | 0-2 |
| Russia Open 2019, MS | 2019/07/21 03:30 | Kean Yew Loh v Shesar Hiren Rhustavito | L | 0-2 |
| Russia Open 2019, MS | 2019/07/20 03:00 | Kodai Naraoka v Kean Yew Loh | W | 0-2 |
| Russia Open 2019, MS | 2019/07/19 03:00 | Kean Yew Loh v Chico Aura Dwi Wardoyo | W | 2-0 |
| Russia Open 2019, MS | 2019/07/18 00:45 | Kean Yew Loh v Watanabe, Dai | W | 2-0 |
| Russia Open 2019, MS | 2019/07/17 00:40 | Kean Yew Loh v Maruo, Ryotaro | W | 2-0 |