Stadium: Court 10 Round: 26 Ground: Clay
| ITF Women Monastir | 2018/12/03 09:30 | Adithya Karunaratne v Nieuwboer, Perla | 6-2,6-3 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/30 10:45 | Nieuwboer, Perla v Doldan, Susan | 6-3,6-2 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/29 08:00 | Nieuwboer, Perla v Peckl, Kerstin | 7-5,0-6,10-7 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/01 14:30 | Nagomi Higashitani v Nieuwboer, Perla | 6-4,6-3 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/01 08:30 | Giavazzi, Valentina v Nieuwboer, Perla | 6-7,3-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/03/25 10:00 | Mujan, Gabriella v Nieuwboer, Perla | 6-3,6-2 |
| ITF - W15 Sharm El Sheikh | 2019/02/18 15:00 | Bizhukova, Tamara v Nieuwboer, Perla | 2-6,6-0,10-7 |
| ITF - W15 Sharm El Sheikh | 2019/02/18 08:00 | Nieuwboer, Perla v Gal, Anja | 4-6,6-3,10-8 |
| ITF - W15 Sharm El Sheikh | 2019/02/11 08:00 | Noelia Bouzo Zanotti v Nieuwboer, Perla | 6-1,7-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/30 08:30 | Adithya Karunaratne v Eva Vedder | 6-4,7-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/25 10:30 | Adithya Karunaratne v Veronika Erjavec | 2-6,4-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/23 10:00 | Franziska Sziedat v Adithya Karunaratne | 4-6,0-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/05 09:00 | Adithya Karunaratne v Lee, Sarah | 0-6,1-6 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/04 08:30 | Adithya Karunaratne v Angela Fita Boluda | 6-4,0-6,6-4 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/04/02 08:05 | Kovacs, Zita v Adithya Karunaratne | 4-6,6-7 |
| Tabarka, Singles W-ITF-TUN-18A | 2019/03/27 14:35 | Adithya Karunaratne v Oana Gavrila | 0-6,5-7 |
| ITF W15 Palmanova | 2019/02/06 12:30 | Adithya Karunaratne v Lairon Navarro, Gemma | 3-6,2-6 |