| Slovenia Open Quals | 05/15 12:40 | - | Zack Bobrowski v 하우토프, 센 | L | 1-2 | |
| Malta Int. | 04/06 08:45 | - | Dalvi, Nadeem v Zack Bobrowski | L | 2-1 | |
| Malta Int. Qual | 04/04 15:15 | - | 시모스, 루카스 v Zack Bobrowski | W | 1-2 | |
| Malta Int. Qual | 04/04 10:30 | - | Zack Bobrowski v 홈, 디틀레프 예거 | - | View | |
| Malta Int. Qual | 04/04 09:40 | - | Zack Bobrowski v Raphael Chenu | W | 2-1 | |
| Iceland International 2020, MS | 01/27 10:45 | - | Salomon Adam Thomasen v Zack Bobrowski | L | 2-1 | |
| Iceland International 2020, MS | 01/26 14:15 | - | Zack Bobrowski v Ngan, Heng Lin | W | 2-0 | |
| Welsh Int. Qual | 11/28 09:20 | - | Yohan Barbieri v Zack Bobrowski | L | 2-0 | |
| Irish Open Qual | 11/15 10:00 | - | Zack Bobrowski v 돌란, 조나단 | L | 0-2 | |
| Scottish Open Qual | 10/05 09:00 | - | Apiliga, J. v Zack Bobrowski | L | 2-1 | |
| Polish Int. Qual | 09/21 08:00 | - | Zack Bobrowski v 쿨, 리처드 | L | 0-2 | |
| Bonn Int. | 06/02 08:10 | - | 킥리츠, 마티아스 v Zack Bobrowski | L | 2-0 | |
| Bonn Int. | 06/01 11:50 | - | 다니엘락, 마테우스 v Zack Bobrowski | W | 1-2 | |
| Bonn Int. Qual | 06/01 07:30 | - | Zack Bobrowski v Armin Sarosi | W | 2-0 | |
| Bonn Int. Qual | 05/31 16:10 | - | 엘 카테브, 알리 아메드 v Zack Bobrowski | W | 0-2 | |
| Bonn Int. Qual | 05/31 08:45 | - | Zack Bobrowski v 보르스트 카밀로 | W | 2-0 | |
| Dutch Int. Qual | 04/13 14:05 | - | Koppen, Dennis v Zack Bobrowski | L | 2-0 | |
| Dutch Int. Qual | 04/13 09:25 | - | Zack Bobrowski v Pauquet, Jerome | W | 2-0 | |
| Welsh Int. Qual | 11/29 10:00 | - | 그네에트, 볼프강 v Zack Bobrowski | L | 2-0 | |
| Irish Open Qual | 11/16 11:40 | - | Zack Bobrowski v Jakob Houe | L | 0-2 | |
| Irish Open Qual | 11/16 09:20 | - | Apiliga, J. v Zack Bobrowski | - | Walkover | |
| Dutch Int. Qual | 04/13 07:00 | - | Yohan Barbieri v Zack Bobrowski | L | 2-0 | |
| Portugal Int. Qual | 03/10 11:30 | - | Zack Bobrowski v Jayant Rana | L | 0-2 | |
| Slovak Open Qual | 03/02 12:40 | - | 막시모비치, 나탄 v Zack Bobrowski | W | 0-2 | |
| Estonian Int. Qual | 01/13 14:10 | - | Zack Bobrowski v 탄, 밍 강 | L | 0-2 | |
| Estonian Int. Qual | 01/13 09:00 | - | Zack Bobrowski v Andrei Schmidt | W | 2-0 | |
| Welsh Int Qual | 12/01 16:00 | - | Smith, Callum v Zack Bobrowski | L | 2-1 | |
| Welsh Int Qual | 12/01 10:45 | - | Kitching, William v Zack Bobrowski | W | 0-2 |