Stadium: Kalisz Arena Round: 45
| Challenger - Pau | 2020/03/01 14:00 | Janowicz, Jerzy v Gulbis, Ernests | 3-6,4-6 |
| Challenger - Pau | 2020/02/29 15:30 | Jiri Vesely v Janowicz, Jerzy | 4-6,7-6,6-7 |
| Challenger - Pau | 2020/02/28 15:20 | Hugo Grenier v Janowicz, Jerzy | 3-6,3-6 |
| Challenger - Pau | 2020/02/27 12:35 | Janowicz, Jerzy v Lorenzo Giustino | 6-4,6-7,6-3 |
| Challenger - Pau | 2020/02/25 15:40 | Maxime Janvier v Janowicz, Jerzy | 4-6,4-6 |
| Challenger - Pau | 2020/02/24 16:35 | Zdenek Kolar v Janowicz, Jerzy | 4-6,5-7 |
| Challenger - Quimper | 2020/01/27 19:15 | Janowicz, Jerzy v Evan Furness | 6-3,6-4 |
| Challenger Rennes | 2020/01/22 13:00 | Janowicz, Jerzy v Constant Lestienne | 6-7,4-6 |
| ITF - M15 Monastir | 2020/02/27 10:50 | Yeung, Pak Long v Laurent, Thomas | 1-6,3-6 |
| ITF - M15 Monastir | 2020/02/26 09:00 | Kijametovic, Aziz v Yeung, Pak Long | 6-7,6-1,6-7 |
| ITF - M15 Monastir | 2020/02/24 12:45 | Yeung, Pak Long v Wakita, Shunsuke | 6-1,4-6,10-6 |
| ITF - M15 Monastir | 2020/02/23 08:00 | Yeung, Pak Long v Duquesne, Goran | 6-2,6-1 |
| ITF - M15 Monastir | 2020/02/22 09:00 | Yeung, Pak Long v Laurent, Thomas | 2-6,2-6 |
| ITF - M15 Monastir | 2020/02/21 09:00 | Yeung, Pak Long v Manish Sureshkumar | 6-4,6-3 |
| ITF - M15 Monastir | 2020/02/20 08:30 | Aziz Ouakaa v Yeung, Pak Long | 4-6,2-6 |
| ITF - M15 Monastir | 2020/02/19 10:10 | Kilani, Majed v Yeung, Pak Long | 5-7,1-6 |