Stadium: Court 11 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Cancun | 2019/08/15 18:25 | Amber Washington v Katarzyna Pitak | 7-5,6-1 |
| ITF W15 Cancun | 2019/08/14 14:00 | Danielle Andrea Thompson v Katarzyna Pitak | 2-6,2-6 |
| ITF M25 Chiswick | 2019/08/05 10:45 | Natasha Fourouclas v Katarzyna Pitak | 2-6,6-3,10-6 |
| ITF W25 Woking | 2019/07/29 14:30 | Freya Christie v Katarzyna Pitak | 6-3,6-0 |
| ITF W25 Woking | 2019/07/29 08:30 | Iman Garshong v Katarzyna Pitak | 6-7,4-6 |
| ITF W25 Vitoria-Gasteiz | 2019/07/23 08:10 | Katarzyna Pitak v Karen Marthiens | 2-6,3-6 |
| ITF W25 Baja | 2019/07/15 10:30 | Eszter Meri v Katarzyna Pitak | 6-1,6-1 |
| ITF W100 Manchester | 2019/06/10 13:05 | Katarzyna Pitak v Vivian Heisen | 1-6,2-6 |
| ITF W15 Cancun | 2019/08/16 15:00 | Eri Shimizu v Ingrid Gamarra Martins | 4-6,4-6 |
| ITF W15 Cancun | 2019/08/15 18:50 | Eri Shimizu v Katarina Kozarov | 6-3,7-5 |
| ITF W15 Cancun | 2019/08/14 16:30 | Rushri Wijesundera v Eri Shimizu | 3-6,4-6 |
| ITF W25 Karuizawa | 2019/05/20 01:00 | Shiori Ito v Eri Shimizu | 6-1,6-3 |
| ITF W25 Osaka | 2019/04/08 06:25 | Akiko Omae v Eri Shimizu | 6-1,6-3 |
| ITF W25 Osaka | 2019/04/08 01:00 | Eri Shimizu v Ayumi Miyamoto | 6-4,6-4 |
| ITF W15 Antalya | 2019/02/28 10:20 | Eri Shimizu v Yukina Saigo | 1-6,3-6 |
| ITF W15 Antalya | 2019/02/27 12:55 | Zoziya Kardava v Eri Shimizu | 6-4,1-6,3-6 |