Stadium: Court 7 Round: 45 Ground: Clay
| ITF W15 Amiens | 2019/03/04 10:40 | Sibille, Constance v Mujan, Gabriella | 6-4,6-3 |
| ITF - W15 Monastir | 2019/02/06 13:55 | Elizabeth Mandlik v Sibille, Constance | 6-4,4-6,6-1 |
| Stuttgart-Stammheim, Singles W-ITF-GER-01A | 2019/01/22 12:00 | Sibille, Constance v Antonia Schmidt | 6-2,6-1 |
| ITF Women Petange | 2018/10/28 17:05 | Michaella Krajicek v Sibille, Constance | 7-6,6-3 |
| ITF Women Petange | 2018/10/27 12:00 | Pahlett, Victoria v Sibille, Constance | 3-6,1-6 |
| ITF Women Monastir | 2018/10/18 10:30 | Ilona-Georgiana Ghioroaie v Sibille, Constance | 6-3,7-5 |
| ITF Women Monastir | 2018/10/17 09:55 | Drozd Pereira, Erika v Sibille, Constance | 2-6,1-6 |
| ITF Women Monastir | 2018/10/13 10:50 | Magali Kempen v Sibille, Constance | 7-6,7-5 |
| ITF W15 Amiens | 2019/03/04 08:45 | Meers, Luna v Lairon Navarro, Gemma | 3-6,3-6 |
| ITF W15 Palmanova | 2019/02/07 11:20 | Naydenova, Aleksandrina v Lairon Navarro, Gemma | 6-1,6-4 |
| ITF W15 Palmanova | 2019/02/06 12:30 | Adithya Karunaratne v Lairon Navarro, Gemma | 3-6,2-6 |
| ITF - W15 Manacor | 2019/01/28 09:00 | Lairon Navarro, Gemma v Blakely, Audrey Ann | 6-7,2-6 |
| ITF - W15 Manacor | 2019/01/25 11:35 | Naydenova, Aleksandrina v Lairon Navarro, Gemma | 4-6,6-3,6-1 |
| ITF - W15 Manacor | 2019/01/24 09:00 | Lairon Navarro, Gemma v Alina Charaeva | 6-2,6-1 |
| ITF Women Vinaros | 2018/11/10 09:30 | Lairon Navarro, Gemma v Payola, Julia | 5-7,6-4,3-6 |
| ITF Women Vinaros | 2018/11/09 09:00 | Rosca, Ioana Loredana v Lairon Navarro, Gemma | 4-6,3-6 |