Stadium: Court B Round: 26 Ground: Hardcourt outdoor
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/07 03:50 | Stefkova, Barbora v Nirundorn, Mai Napatt | 6-3,6-1 |
| Prague, Singles W-WITF-CZE-06A | 2018/07/24 10:55 | Mona Barthel v Stefkova, Barbora | 6-3,6-2 |
| ITF Women Olomouc | 2018/07/19 13:00 | Stefkova, Barbora v Maja Chwalinska | 6-7,5-7 |
| ITF Women Olomouc | 2018/07/18 10:30 | Pliskova, Kristyna v Stefkova, Barbora | 6-7,6-1,5-7 |
| Wimbledon Women | 2018/07/02 14:20 | Bertens, Kiki v Stefkova, Barbora | 6-3,6-2 |
| Wimbledon Women Qual | 2018/06/28 13:25 | Conny Perrin v Stefkova, Barbora | 6-4,4-6,4-6 |
| Wimbledon Women Qual | 2018/06/27 10:00 | Stefkova, Barbora v Veronika Kudermetova | 2-6,6-4,6-1 |
| Wimbledon Women Qual | 2018/06/26 12:00 | Emma Raducanu v Stefkova, Barbora | 4-6,7-5,2-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/06 02:30 | Thamchaiwat, B. v Destanee Aiava | 1-6,6-3,6-0 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/16 03:50 | Thamchaiwat, B. v Rutuja Bhosale | 2-6,2-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/11 02:00 | Thamchaiwat, B. v Peangtarn Plipuech | 1-6,2-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/09 04:55 | Thamchaiwat, B. v Choi, Ji-Hee | 6-0,6-2 |
| ITF Women Singapore | 2018/06/12 05:35 | Glushko, Julia v Thamchaiwat, B. | 6-1,6-2 |
| ITF Women Singapore | 2018/06/04 03:55 | Thamchaiwat, B. v Eguchi, Misa | 1-6,0-6 |
| Hua Hin, Singles W-WITF-THA-07A | 2018/05/11 02:30 | Thamchaiwat, B. v Guillermo, Lorraine M | 7-6,6-3 |
| Hua Hin, Singles W-WITF-THA-07A | 2018/05/10 02:30 | Thamchaiwat, B. v Aldila Sutjiadi | 6-4,6-3 |