Stadium: Centre Court Darmstadt Round: 25
| ITF Women Madrid Qual | 2018/06/03 09:00 | Sofia Plotnikova v Ruxandra Schech | 3-6,4-6 |
| ITF Women Mallorca Qual | 2018/02/18 09:00 | Meritxell Perera Ros v Ruxandra Schech | 6-2,6-2 |
| ITF Women Mallorca | 2018/02/04 12:00 | Chloe Hamlin v Ruxandra Schech | 7-5,6-2 |
| ITF Women Castellon | 2017/11/25 13:00 | Daniela Vismane v Ruxandra Schech | 6-4,6-1 |
| ITF Women Benicarlo | 2017/11/11 12:00 | Snehadevi S Reddy v Ruxandra Schech | 6-2,6-2 |
| ITF Women Vinaros | 2017/11/05 10:30 | Snehadevi S Reddy v Ruxandra Schech | 6-2,6-2 |
| ITF Women Vinaros | 2017/11/04 10:30 | Ruxandra Schech v Laura Barona | 6-0,6-0 |
| ITF Women Seville Qual | 2017/10/07 08:30 | Sara Cakarevic v Ruxandra Schech | 6-1,7-6 |
| WTA Nurnberg Qual | 2018/05/19 13:05 | Katharina Gerlach v Anna Zaja | 6-7,3-6 |
| ITF Women Balatonboglar | 2018/05/02 10:55 | Kaja Juvan v Katharina Gerlach | 6-2,6-1 |
| ITF Women Balatonboglar | 2018/05/01 09:40 | Katharina Gerlach v Dalma Galfi | 6-3,4-6,6-2 |
| WTA Stuttgart Qual | 2018/04/21 11:45 | Su-Wei Hsieh v Katharina Gerlach | 2-6,7-5,6-2 |
| ITF Women Santa Margherita Qual | 2018/03/27 13:00 | Martina Di Giuseppe v Katharina Gerlach | 6-3,7-5 |
| ITF Women Santa Margherita Qual | 2018/03/21 10:30 | Tena Lukas v Katharina Gerlach | 6-4,6-2 |
| ITF Women Santa Margherita Qual | 2018/03/19 13:00 | Ana Vrljic v Katharina Gerlach | 4-6,3-6 |
| ITF Women Santa Margherita Qual | 2018/03/13 13:00 | Manon Arcangioli v Katharina Gerlach | 6-3,6-3 |