Stadium: Court 2 Round: 25 Ground: Synthetic outdoor
| ITF Women Solarino | 2018/02/28 08:30 | Januskova, Petra v Tayisiya Morderger | 2-6,2-6 |
| ITF Women Solarino | 2018/02/27 11:55 | Januskova, Petra v Anastasia Abbagnato | 7-6,6-2 |
| ITF Women Solarino | 2018/02/20 10:00 | Palkina, Ksenia v Januskova, Petra | 6-4,6-4 |
| ITF Women Trnava | 2018/02/04 15:00 | Januskova, Petra v Sedlackova, Petra | 6-2,1-6,0-6 |
| ITF Women Stuttgart | 2018/01/22 09:00 | Arlinda Rushiti v Januskova, Petra | 6-2,7-6 |
| ITF Women Stellenbosch | 2017/12/06 09:30 | Januskova, Petra v Natalia Siedliska | 1-6,3-6 |
| ITF Women Stellenbosch Qual | 2017/12/04 09:50 | Januskova, Petra v Chantraine, Elisabeth | 6-4,6-0 |
| ITF Women Stellenbosch Qual | 2017/12/04 06:30 | Januskova, Petra v Gouvernante, Donnaroza | 6-3,6-1 |
| ITF Women Solarino | 2018/03/02 09:30 | Koelzer, Romy v Pirazhenka, Sviatlana | 7-6,4-6,4-6 |
| ITF Women Solarino | 2018/03/01 09:00 | Koelzer, Romy v Anastasia Kulikova | 6-4,2-6,6-2 |
| ITF Women Solarino | 2018/02/28 08:30 | Koelzer, Romy v Nicole Gadient | 6-1,6-4 |
| ITF Women Solarino | 2018/02/26 09:00 | Koelzer, Romy v Yana Morderger | 6-1,6-3 |
| Altenkirchen, Singles W-WITF-GER-02A | 2018/02/21 16:25 | Monova, Polina v Koelzer, Romy | 6-1,6-3 |
| ITF Women Stuttgart | 2018/01/25 12:55 | Koelzer, Romy v Nina Alibalic | 3-6,6-4,1-6 |
| ITF Women Stuttgart | 2018/01/23 16:40 | Krejsova, Petra v Koelzer, Romy | 1-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/14 14:00 | Koelzer, Romy v Aldila Sutjiadi | 6-3,4-6,1-6 |