Stadium: Centre Court Round: 46
| WTA Prague Qual | 2018/04/28 10:15 | Jesika Maleckova v Stefkova, Barbora | 3-6,4-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/31 08:00 | Kolar, Nastja v Stefkova, Barbora | 3-6,6-3,6-4 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/30 08:00 | Stefkova, Barbora v Hatouka, Yuliya | 6-4,6-3 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/29 08:00 | Stefkova, Barbora v Kitagawa, Rio | 6-0,6-0 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/27 08:00 | Jacqueline Cabaj Awad v Stefkova, Barbora | 2-6,1-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/24 08:00 | Stefkova, Barbora v Burrage, Jodie Anna | 3-6,3-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/23 12:00 | Stefkova, Barbora v Mariam Bolkvadze | 6-2,7-5 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/22 08:00 | Nuria Parrizas-Diaz v Stefkova, Barbora | 3-6,4-6 |
| WTA Prague Qual | 2018/04/28 09:30 | Krejsova, Petra v Lottner, Antonia | 4-6,3-6 |
| WTA - Stuttgart | 2018/04/24 09:30 | Marta Kostyuk v Lottner, Antonia | 6-4,6-1 |
| WTA Lugano Qual | 2018/04/09 15:35 | Lottner, Antonia v Tamara Korpatsch | 1-6,6-4,1-6 |
| WTA Lugano Qual | 2018/04/08 12:15 | Lottner, Antonia v Veronika Kudermetova | 4-6,7-5,6-4 |
| Croissy-Beaubourg, Singles W-WITF-FRA-09A | 2018/03/27 08:00 | Lottner, Antonia v Muchova, Karolina | 3-6,5-7 |
| WTA Miami Qual | 2018/03/19 14:00 | Niculescu, Monica v Lottner, Antonia | 6-4,6-0 |
| WTA Budapest | 2018/02/19 16:50 | Lottner, Antonia v Petra Martic | 4-6,2-6 |
| Fed Cup, Groupe Mondial | 2018/02/11 12:20 | Aryna Sabalenka v Lottner, Antonia | 6-3,5-7,6-2 |