Stadium: Center Court Round: 54
| ITF Women Darmstadt Qual | 2018/07/16 12:45 | Melanie Klaffner v Pipa, Shaline-Doreen | 6-1,6-1 |
| ITF Women Darmstadt Qual | 2018/07/15 13:00 | Pipa, Shaline-Doreen v Gabriela Lee | 6-2,3-6,6-2 |
| ITF Women Den Haag Qual | 2018/07/02 09:40 | Tilbuerger, Jantje v Pipa, Shaline-Doreen | 7-5,6-1 |
| ITF Women Den Haag Qual | 2018/06/30 09:30 | Bellahouel, Sihem v Pipa, Shaline-Doreen | 5-7,3-6 |
| ITF Women Alkmaar | 2018/06/29 09:00 | Pipa, Shaline-Doreen v Oleksandra Oliynykova | 2-6,2-6 |
| ITF Women Alkmaar | 2018/06/28 13:55 | Pipa, Shaline-Doreen v Mina Hodzic | 6-3,6-4 |
| ITF Women Alkmaar | 2018/06/26 16:50 | Villarreal, Andrea Renee v Pipa, Shaline-Doreen | 4-6,3-6 |
| ITF Women Kaltenkirchen | 2018/06/21 08:30 | Pipa, Shaline-Doreen v Kulikova, Yulia | 2-6,5-7 |
| Matchs amicaux U18 | 2018/07/10 08:00 | Natalia Siedliska v Yudanov, Marina | 3-6,6-7 |
| ITF Women Aschaffenburg Qual | 2018/07/02 13:15 | Angelica Moratelli v Natalia Siedliska | 6-4,3-6,6-3 |
| ITF Women Hammamet | 2018/06/16 09:00 | Claudia Hoste Ferrer v Natalia Siedliska | 4-6,4-6 |
| ITF Women Hammamet | 2018/06/15 09:00 | Natalia Siedliska v Luini, Sofia | 3-6,6-1,6-3 |
| ITF Women Hammamet | 2018/06/14 11:40 | Natalia Siedliska v Castellano, Sara | 6-4,7-5 |
| ITF Women Hammamet | 2018/06/12 09:00 | Natalia Siedliska v Napolitano, Veronica | 6-4,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/05/23 07:30 | Julia Stamatova v Natalia Siedliska | 2-6,6-3,6-2 |
| ITF Women Wiesbaden Qual | 2018/04/24 10:30 | Pereira, Teliana v Natalia Siedliska | 2-6,7-5,6-1 |