| Oman Open U21 Women | 2019/10/17 08:50 | Karoline Mischek v Slazak, Julia | W | 2-3 |
| Oman Open U21 Women | 2019/10/16 08:40 | Slazak, Julia v Nikoleta Puchovanova | W | 3-0 |
| Poland Ekstaklasa Women | 2019/09/27 15:02 | Slazak, Julia v Miklaszewska, Maja | L | 0-3 |
| Poland Ekstaklasa Women | 2019/09/13 15:09 | Slazak, Julia v Sandra Kozyol | W | 3-1 |
| Czech Open Women | 2019/08/20 11:15 | Slazak, Julia v Chia Hsuan Lin | L | 1-4 |
| Czech Open Women | 2019/08/20 11:15 | Slazak, Julia v Lin, Chia-Hsuan | L | 1-4 |
| Croatia Open U21 Women | 2019/05/15 07:00 | Slazak, Julia v Andrea Pavlovic | W | 3-1 |
| Croatia Open U21 Women | 2019/05/14 12:20 | Ojio, Haruna v Slazak, Julia | L | 3-0 |
| ITTF Challenge, Polish Open 2019, WS, Group Stage | 2019/10/16 11:35 | Pfefer, Laura v Aleksandra Michalak | L | 3-2 |
| Poland Ekstaklasa Women | 2019/09/28 14:40 | Julia Jackowska v Aleksandra Michalak | W | 0-3 |
| République tchèque - Extraleague | 2019/03/13 17:00 | Aleksandra Michalak v Kusinska, Klaudia | L | 0-3 |
| République tchèque - Extraleague | 2019/02/23 12:08 | Tsui, Pao-Wen v Aleksandra Michalak | L | 3-0 |
| République tchèque - Extraleague | 2019/02/23 11:01 | Dominika Wolowiec v Aleksandra Michalak | L | 3-0 |
| République tchèque - Extraleague | 2019/02/09 17:23 | Dyszkiewicz, Gabriela v Aleksandra Michalak | L | 3-0 |
| République tchèque - Extraleague | 2019/02/02 15:11 | Aleksandra Michalak v Angelika Janik | L | 1-3 |
| Qatar Open 2019, MS | 2019/01/09 15:27 | Andrea Todorovic v Aleksandra Michalak | L | 3-1 |