Stadium: C Round: 25 Ground: Clay
| WTA Miami | 2018/03/23 18:10 | Kirsten Flipkens v Johanna Konta | 4-6,3-6 |
| WTA Miami | 2018/03/20 23:50 | Kirsten Flipkens v Mihaela Buzarnescu | 6-2,6-3 |
| WTA Indian Wells | 2018/03/08 20:25 | Ekaterina Makarova v Kirsten Flipkens | 6-2,6-4 |
| WTA Budapest | 2018/02/22 11:30 | Dominika Cibulkova v Kirsten Flipkens | 6-4,6-2 |
| WTA Budapest | 2018/02/21 09:00 | Monica Niculescu v Kirsten Flipkens | 3-6,5-7 |
| 2018 Fed Cup | 2018/02/10 14:30 | Kristina Mladenovic v Kirsten Flipkens | 6-2,6-4 |
| WTA St. Petersburg Qual | 2018/01/27 19:15 | Kirsten Flipkens v Deborah Chiesa | 2-6,0-6 |
| Ausztrál Open - nők | 2018/01/17 01:30 | Kirsten Flipkens v Magdalena Rybarikova | 4-6,6-0,2-6 |
| 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 |
| WTA Miami | 2018/03/21 15:00 | Tatjana Maria v Carina Witthoeft | 3-6,4-6 |
| WTA Budapest | 2018/02/21 09:00 | Jana Cepelova v Carina Witthoeft | 6-2,6-2 |
| WTA Doha | 2018/02/14 14:50 | Caroline Wozniacki v Carina Witthoeft | 6-2,6-0 |
| WTA Doha | 2018/02/13 14:15 | Tatjana Maria v Carina Witthoeft | 3-6,0-6 |
| Ausztrál Open - nők | 2018/01/16 00:00 | Carina Witthoeft v Caroline Garcia | 5-7,3-6 |
| WTA Sydney | 2018/01/09 01:00 | Samantha Stosur v Carina Witthoeft | 4-6,7-5,6-3 |