Stadium: Centrale Round: 44
| ITF Women Chiasso Qual | 2018/04/14 08:00 | Knoll, Xenia v Magun, Lea | 6-0,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/22 07:30 | Bukta, Agnes v Knoll, Xenia | 4-6,6-3,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/20 07:30 | Knoll, Xenia v Jegiolka, Justyna | 6-2,6-2 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/15 07:30 | Veronika Erjavec v Knoll, Xenia | 4-6,6-4,6-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/03/14 07:30 | Knoll, Xenia v Lister, Cornelia | 6-4,6-1 |
| ITF Women Petange | 2017/11/01 16:30 | Heise, Priscilla v Knoll, Xenia | 6-4,1-6,6-7 |
| ITF Women Petange | 2017/10/31 16:00 | Schultheiss, Carmen v Knoll, Xenia | 0-6,2-6 |
| WTA Gstaad Qual | 2017/07/16 09:00 | Lottner, Antonia v Knoll, Xenia | 7-6,6-2 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/04/11 12:00 | Martina Colmegna v Detiuc, Anastasia | 6-4,2-6,6-7 |
| ITF Women Santa Margherita Qual | 2018/04/03 19:35 | Tamara Zidansek v Martina Colmegna | 7-5,6-1 |
| Santa Margherita Di Pula, Simples W-WITF-ITA-27A | 2018/04/03 16:30 | Tamara Zidansek v Martina Colmegna | 7-5,5-1 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/20 10:15 | Dalila Spiteri v Martina Colmegna | 6-1,7-5 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/03/13 08:00 | Martina Colmegna v Crivelletto, Jessica | 3-6,6-4,1-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/02/27 08:00 | Claudia Giovine v Martina Colmegna | 6-2,6-4 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/02/22 09:20 | Geukens, Britt v Martina Colmegna | 6-2,6-4 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/02/21 08:00 | de Rienzo, Kathleen v Martina Colmegna | 3-6,4-6 |