Stadium: Court 2 Round: 27 Ground: Clay
| ITF Women Daytona Beach | 2018/01/11 16:00 | Katharina Gerlach v Alexandra Perper | 6-4,1-6,4-6 |
| ITF Women Mallorca | 2018/02/28 08:30 | Katharina Gerlach v Chisa Hosonuma | 6-3,6-4 |
| ITF Women Mallorca | 2018/02/27 09:30 | Katharina Gerlach v Ioana Loredana Rosca | 6-4,4-6,6-2 |
| ITF Women Altenkirchen Qual | 2018/02/19 13:15 | Jesika Maleckova v Katharina Gerlach | 6-3,6-0 |
| ITF Women Altenkirchen Qual | 2018/02/18 09:00 | Katharina Gerlach v Miriam Kolodziejova | 4-6,6-3,6-4 |
| ITF Women Altenkirchen Qual | 2018/02/17 09:30 | Katharina Gerlach v Cristina Bucsa | 7-6,3-6,6-2 |
| ITF Women Mallorca | 2018/02/11 09:00 | Marina Bassols Ribera v Katharina Gerlach | 6-2,6-1 |
| ITF Women Mallorca | 2018/02/10 18:00 | Marina Bassols Ribera v Katharina Gerlach | 6-2,5-1 |
| ITF Women Mallorca | 2018/02/09 10:15 | Rosa Vicens Mas v Katharina Gerlach | 6-3,3-6,1-6 |
| ITF Women Mallorca | 2018/02/28 09:55 | Paula Arias Manjon v Alexandra Perper | 2-6,7-6,6-7 |
| ITF Women Mallorca | 2018/02/27 08:00 | Claudia Hoste Ferrer v Alexandra Perper | 6-3,3-6,2-6 |
| ITF Women Mallorca | 2018/02/24 09:00 | Marina Bassols Ribera v Alexandra Perper | 6-1,3-6,7-5 |
| ITF Women Mallorca | 2018/02/23 13:45 | Alexandra Perper v Isabella Shinikova | 6-1,6-4 |
| ITF Women Mallorca | 2018/02/23 09:40 | Alexandra Perper v Yukina Saigo | 6-3,6-1 |
| ITF Women Mallorca | 2018/02/20 11:20 | Alexandra Perper v Claudia Hoste Ferrer | 6-4,5-7,6-1 |
| ITF Women Mallorca | 2018/02/17 09:00 | Naho Sato v Alexandra Perper | 1-6,5-7 |
| ITF Women Mallorca | 2018/02/16 13:00 | Alexandra Perper v Irene Burillo Escorihuela | 6-4,3-6,6-2 |