Stadium: Clay 2 Round: 25 Ground: Hardcourt outdoor
| ITF Women Dobrich | 2018/09/16 07:00 | Boev, Michaela v Horackova, Gabriela | 6-1,5-7,2-6 |
| ITF Women Wanfercee-Baulet | 2018/08/21 10:30 | Lara Salden v Boev, Michaela | 6-0,6-1 |
| ITF Women Brussels | 2018/07/18 15:00 | Boev, Michaela v Eliessa Vanlangendonck | 7-5,2-6,5-7 |
| ITF Women Knokke | 2018/07/11 13:30 | Boev, Michaela v Mirjam Bjorklund | 2-6,2-6 |
| ITF Women Knokke | 2018/07/10 08:00 | Vicky Van De Peer v Boev, Michaela | 3-6,3-6 |
| ITF Women Heraklion | 2018/03/29 07:30 | Rubini, Stefania v Boev, Michaela | 2-6,6-3,6-4 |
| ITF Women Heraklion | 2018/03/27 07:00 | Duca, Gabriela v Boev, Michaela | 6-7,2-6 |
| ITF Women Heraklion | 2018/03/20 08:00 | Boev, Michaela v Delgado, Luniuska | 6-1,5-7,3-6 |
| WTA Gstaad Qual | 2018/07/14 10:35 | Knoll, Xenia v Haas, Barbara | 6-4,3-6,3-6 |
| ITF Women Chiasso | 2018/04/19 08:30 | Knoll, Xenia v Burger, Cindy | 4-6,6-7 |
| ITF Women Chiasso | 2018/04/17 15:00 | Sadikovic, Amra v Knoll, Xenia | 6-4,3-6,5-7 |
| ITF Women Chiasso Qual | 2018/04/16 08:30 | Gabriela Ce v Knoll, Xenia | 5-7,2-6 |
| ITF Women Chiasso Qual | 2018/04/15 09:30 | Knoll, Xenia v Martina Colmegna | 6-2,6-4 |
| ITF Women Chiasso Qual | 2018/04/14 08:00 | Knoll, Xenia v Magun, Lea | 6-0,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/22 07:30 | Bukta, Agnes v Knoll, Xenia | 4-6,6-3,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/20 07:30 | Knoll, Xenia v Jegiolka, Justyna | 6-2,6-2 |