Stadium: Court 4 Round: 25
| 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 Sofia Luini | 3-6,6-1,6-3 |
| ITF Women Hammamet | 2018/06/14 11:40 | Natalia Siedliska v Sara Castellano | 6-4,7-5 |
| ITF Women Hammamet | 2018/06/12 09:00 | Natalia Siedliska v Veronica Napolitano | 6-4,6-1 |
| ITF Women Antalya | 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 | Teliana Pereira v Natalia Siedliska | 2-6,7-5,6-1 |
| ITF Women Wiesbaden Qual | 2018/04/23 12:00 | Constance Sibille v Natalia Siedliska | 2-6,1-6 |
| ITF Women Alkmaar | 2018/07/01 10:30 | Marina Yudanov v Greet Minnen | 6-0,6-2 |
| ITF Women Alkmaar | 2018/06/29 09:00 | Marlies Szupper v Marina Yudanov | 0-6,0-6 |
| ITF Women Alkmaar | 2018/06/28 09:00 | Stephanie Judith Visscher v Marina Yudanov | 5-7,3-6 |
| ITF Women Alkmaar | 2018/06/27 10:45 | Annick Melgers v Marina Yudanov | 3-6,3-6 |
| ITF Women Ystad Qual | 2018/06/17 09:45 | Anastasia Kulikova v Marina Yudanov | 0-6,7-5,7-5 |
| ITF Women Ystad Qual | 2018/06/16 08:15 | Molly Helgesson v Marina Yudanov | 5-7,4-6 |
| ITF Women Gothenburg | 2018/05/17 08:00 | Marina Yudanov v Alice Rame | 6-4,3-6,1-6 |
| ITF Women Gothenburg | 2018/05/16 10:35 | Karola Patricia Bejenaru v Marina Yudanov | 6-7,7-5,2-6 |