| Polish Int. | 2018/09/21 09:55 | Chia Hung Lu v Krzysztof Jakowczuk | L | 2-0 |
| Swiss Open WD Qual | 2018/03/15 14:00 | Krzysztof Jakowczuk v Muhammad L.H. Mohd Ibrahim | L | 0-2 |
| Giraldilla Int. XD | 2018/02/15 08:00 | Krzysztof Jakowczuk v Jan Louda | L | 0-2 |
| Swiss Open WD Qual | 2017/12/05 09:30 | Krzysztof Jakowczuk v Jonathan Dolan | L | 1-2 |
| Giraldilla Int. XD | 2017/03/23 08:31 | Krzysztof Jakowczuk v Hugo Jardim | W | 2-0 |
| Giraldilla Int. XD | 2017/03/09 17:03 | Joel Koenig v Krzysztof Jakowczuk | W | 0-2 |
| Giraldilla Int. XD | 2017/03/09 10:49 | Krzysztof Jakowczuk v Christopher Grimley | W | 2-1 |
| Swiss Open WD Qual | 2018/09/19 08:00 | En Chia Chang v Bagas Kristianto Nugroho | L | 1-2 |
| Swiss Open WD Qual | 2018/09/18 12:20 | En Chia Chang v Zin Rei Ryan Ng | W | 2-0 |
| Swiss Open WD Qual | 2018/08/07 09:07 | Seng Zoe Yeoh v En Chia Chang | L | 2-1 |
| Swiss Open WD Qual | 2018/08/07 04:05 | Thanh Long Truong v En Chia Chang | W | 0-2 |
| Indonesia Masters XD | 2017/11/28 09:55 | En Chia Chang v Hyeok Jin Jeon | L | 0-2 |
| Giraldilla Int. XD | 2017/09/05 09:00 | Duc Phat Le v En Chia Chang | L | 2-1 |
| Indonesia Masters XD | 2017/06/28 08:20 | Zii Jia Lee v En Chia Chang | L | 2-0 |
| China Masters | 2017/04/19 08:35 | Bin Qiao v En Chia Chang | L | 2-0 |