Stadium: Court 11 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Cancun | 2019/08/15 18:25 | Washington, Amber v Pitak, Katarzyna | 7-5,6-1 |
| ITF W15 Cancun | 2019/08/14 14:00 | Thompson, Danielle Andrea v Pitak, Katarzyna | 2-6,2-6 |
| Chiswick, Singles W-ITF-GBR-09A | 2019/08/05 10:45 | Fourouclas, Natasha v Pitak, Katarzyna | 2-6,6-3,10-6 |
| Woking, Singles W-ITF-GBR-08A | 2019/07/29 14:30 | Freya Christie v Pitak, Katarzyna | 6-3,6-0 |
| Woking, Singles W-ITF-GBR-08A | 2019/07/29 08:30 | Garshong, Iman v Pitak, Katarzyna | 6-7,4-6 |
| Vitoria-Gasteiz, Singles W-ITF-ESP-14A | 2019/07/23 08:10 | Pitak, Katarzyna v Marthiens, Karen | 2-6,3-6 |
| Baja, Singles Qualifying W-ITF-HUN-02A | 2019/07/15 10:30 | Eszter Meri v Pitak, Katarzyna | 6-1,6-1 |
| Manchester, Singles W-ITF-GBR-06A | 2019/06/10 13:05 | Pitak, Katarzyna v Heisen, Vivian | 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 | Wijesundera, Rushri v Eri Shimizu | 3-6,4-6 |
| Karuizawa, Singles W-ITF-JPN-12A | 2019/05/20 01:00 | Ito, Shiori v Eri Shimizu | 6-1,6-3 |
| Osaka, Singles W-ITF-JPN-02A | 2019/04/08 06:25 | Akiko Omae v Eri Shimizu | 6-1,6-3 |
| Osaka, Singles W-ITF-JPN-02A | 2019/04/08 01:00 | Eri Shimizu v Miyamoto, Ayumi | 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 |