Round: 26 Ground: Synthetic outdoor
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2016/05/11 08:30 | Costanza Traversi v Kerfs, Deborah | 4-6,1-6 |
| ITF Women Cordenons | 2017/12/12 11:30 | Kerfs, Deborah v Melania Delai | 0-6,7-6,6-3 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/22 14:55 | Clerici, Giada v Kerfs, Deborah | 7-6,6-4 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/17 14:00 | Kerfs, Deborah v Pemra Ozgen | 3-6,3-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/16 14:00 | Dalila Spiteri v Kerfs, Deborah | 6-4,2-6,2-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2017/11/15 17:45 | Stojanovic, Jelena v Kerfs, Deborah | 6-3,4-6,4-6 |
| ITF Women Petange | 2017/11/01 09:00 | Ewijk, Chayenne v Kerfs, Deborah | 7-5,6-7,6-1 |
| ITF Women Petange | 2017/10/31 12:00 | van Der Hoek, Rosalie v Kerfs, Deborah | 1-6,1-6 |
| ITF Women Joue-Les-Tours Qual | 2017/10/15 10:00 | Ekaterina Kazionova v Kerfs, Deborah | 6-4,5-7,6-3 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2016/05/11 08:30 | Costanza Traversi v Kerfs, Deborah | 4-6,1-6 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2016/05/03 11:00 | Costanza Traversi v Karman Kaur Thandi | 6-7,3-6 |