Stadium: Court Central Round: 25
| WTA Prague | 2018/04/30 11:25 | Natalia Vikhlyantseva v Carina Witthoeft | 6-4,6-4 |
| WTA Stuttgart | 2018/04/25 12:10 | Carina Witthoeft v Zarina Diyas | 3-6,2-6 |
| WTA Stuttgart Qual | 2018/04/23 13:20 | Carina Witthoeft v Marketa Vondrousova | 7-5,1-6,3-6 |
| WTA Stuttgart Qual | 2018/04/22 13:50 | Carina Witthoeft v Anna Zaja | 2-6,6-0,6-3 |
| WTA Stuttgart Qual | 2018/04/21 15:50 | Carina Witthoeft v Michaela Honcova | 6-0,6-1 |
| WTA Lugano | 2018/04/11 11:30 | Kirsten Flipkens v Carina Witthoeft | 1-6,6-4,6-3 |
| WTA Miami | 2018/03/24 15:00 | Carina Witthoeft v Zarina Diyas | 6-4,5-7,0-6 |
| WTA Miami | 2018/03/22 19:05 | Julia Goerges v Carina Witthoeft | 6-7,6-4,4-6 |
| ITF Women Cagnes-Sur-Mer Qual | 2018/05/07 10:40 | Margot Yerolymos v Bibiane Schoofs | 7-6,3-6,1-6 |
| ITF Women Cagnes-Sur-Mer Qual | 2018/05/06 12:20 | Isabelle Wallace v Bibiane Schoofs | 3-6,1-6 |
| ITF Women Cagnes-Sur-Mer Qual | 2018/05/05 14:10 | Ekaterina Yashina v Bibiane Schoofs | 6-3,1-6,0-6 |
| WTA Rabat Qual | 2018/04/28 12:30 | Bibiane Schoofs v Tamara Zidansek | 3-6,6-3,4-6 |
| WTA Istanbul Qual | 2018/04/23 11:15 | Danka Kovinic v Bibiane Schoofs | 6-3,3-6,6-3 |
| WTA Istanbul Qual | 2018/04/22 11:20 | Bibiane Schoofs v Alexandra Dulgheru | 6-4,4-6,6-3 |
| ITF Women Santa Margherita | 2018/04/14 12:00 | Bibiane Schoofs v Myrtille Georges | 6-3,2-6,5-7 |
| ITF Women Santa Margherita | 2018/04/13 12:00 | Tena Lukas v Bibiane Schoofs | 4-6,2-6 |