Stadium: Court 19 Round: 44 Ground: Clay
| ITF W15 Antalya | 2020/01/07 07:00 | Tuana Tinaztepe v Mariia Kostiuk | 2-6,6-2,12-10 |
| ITF W15 Antalya | 2019/12/15 09:00 | Katsiaryna Skachkova v Mariia Kostiuk | 6-3,6-4 |
| ITF W25 Solarino Qual | 2019/11/25 09:00 | Mariia Kostiuk v Giulia Martinelli | 3-6,1-6 |
| ITF W60 Montreux | 2019/09/02 08:25 | Andreea Ghitescu v Mariia Kostiuk | 6-1,6-1 |
| ITF W60 Concord | 2019/08/12 20:50 | Sophia Whittle v Mariia Kostiuk | 6-1,6-1 |
| ITF W60 Concord | 2019/08/12 16:59 | Theresa Papikian v Mariia Kostiuk | 3-6,5-7 |
| ITF W60 Concord | 2019/08/12 16:20 | Theresa Papikian v Mariia Kostiuk | 3-6,5-7 |
| ITF W60 Landisville | 2019/08/05 18:45 | Ayaka Okuno v Mariia Kostiuk | 6-2,6-2 |
| ITF W15 Antalya | 2020/01/08 08:10 | Laure Line Glaude v Lucia Cortez Llorca | 6-2,2-6,0-6 |
| ITF W15 Haren | 2019/08/28 10:30 | Sina Herrmann v Laure Line Glaude | 6-0,6-2 |
| ITF W15 Haren | 2019/08/27 09:00 | Luisa Meyer Auf Der Heide v Laure Line Glaude | 2-6,2-6 |
| ITF W15 Haren | 2019/08/26 09:00 | Laure Line Glaude v Regina Husak | 6-3,6-2 |
| ITF W15 Wanfercee-Baulet | 2019/08/21 07:30 | Lucie Wargnier v Laure Line Glaude | 6-1,6-0 |
| ITF W15 Wanfercee-Baulet | 2019/08/20 07:30 | Giorgie Jones v Laure Line Glaude | 4-6,1-6 |
| ITF W15 Wanfercee-Baulet | 2019/08/19 09:00 | Laure Line Glaude v Perla Nieuwboer | 6-1,6-2 |
| ITF W25 Koksijde | 2019/08/05 10:35 | Laure Line Glaude v Annick Melgers | 5-7,4-6 |