Stadium: Court 2 Round: 44
| ITF Women Obidos Qual | 2018/04/23 12:00 | Armitano, Mathilde v Morante Oyague, Maialen | 6-0,6-1 |
| Obidos, Singles W-WITF-POR-12A | 2018/04/18 11:40 | Armitano, Mathilde v Jorovic, Ivana | 2-6,3-6 |
| ITF Women Obidos Qual | 2018/04/17 09:00 | Armitano, Mathilde v Emily Appleton | 6-4,6-3 |
| ITF Women Obidos Qual | 2018/04/16 10:00 | Irene Burillo Escorihuela v Armitano, Mathilde | 1-6,1-6 |
| ITF Women Obidos Qual | 2018/04/15 14:00 | Guttierez Carrasco, Maria v Armitano, Mathilde | 5-7,0-6 |
| ITF Women Tel Aviv | 2018/03/21 11:35 | Armitano, Mathilde v Scholsen, Helene | 4-6,6-3,2-6 |
| ITF Women Ramat Hasharon | 2018/03/15 09:20 | Armitano, Mathilde v Pribylova, Anastasia | 1-6,4-6 |
| ITF Women Ramat Hasharon | 2018/03/14 10:30 | Piskun, Oleksandra v Armitano, Mathilde | 0-6,7-5,2-6 |
| ITF Women Obidos Qual | 2018/04/09 09:00 | Nuria Parrizas-Diaz v Cantos Siemers, Irina | 6-2,6-3 |
| ITF Women Obidos Qual | 2018/04/08 09:00 | Cantos Siemers, Irina v Zlochova, Zuzana | 6-4,4-6,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/26 10:30 | Cantos Siemers, Irina v Maria Paulina Perez Garcia | 2-6,6-3,4-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/25 10:30 | Cantos Siemers, Irina v Chantraine, Elisabeth | 6-1,6-1 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/23 08:00 | Gilchrist, Nadja v Cantos Siemers, Irina | 6-3,6-3 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/22 11:25 | Cantos Siemers, Irina v Maria Paulina Perez Garcia | 6-1,6-3 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/21 11:10 | Daria Kuczer v Cantos Siemers, Irina | 4-6,6-4,4-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/19 08:00 | Cantos Siemers, Irina v Silna, Alexandra | 6-3,6-1 |