Stadium: Hard C8 Round: 44 Ground: Clay
| ITF - W15 Antalya | 2019/12/10 11:30 | Skachkova, Katsiaryna v Kajevic, Ena | 2-6,5-7 |
| Antalya, Qualifications Simples W-ITF-TUR-35A | 2019/12/09 07:00 | Skachkova, Katsiaryna v Ekaterina Ovcharenko | 6-4,6-2 |
| Antalya, Qualifications Simples W-ITF-TUR-35A | 2019/12/08 08:30 | Skachkova, Katsiaryna v Mironova, Alexandra | 4-6,6-3,10-7 |
| ITF - W15 Antalya | 2019/12/03 07:00 | Skachkova, Katsiaryna v Sapfo Sakellaridi | 4-6,4-6 |
| ITF - W15 Antalya | 2019/11/27 08:00 | Younes, Kristin v Skachkova, Katsiaryna | 7-5,6-3 |
| Minsk, Singles W-ITF-BLR-03A | 2019/11/11 12:00 | Skachkova, Katsiaryna v Suzan Lamens | 2-6,1-6 |
| Stockholm, Singles W-ITF-SWE-05A | 2019/10/29 12:00 | Skachkova, Katsiaryna v Nadel, Nicole | 3-6,6-4,1-6 |
| Stockholm, Singles W-ITF-SWE-05A | 2019/10/23 12:10 | Skachkova, Katsiaryna v Yasar, Melis | 1-6,6-7 |
| ITF W25 Solarino Qual | 2019/11/25 09:00 | Mariia Kostiuk v Martinelli, Giulia | 3-6,1-6 |
| ITF W60 Montreux | 2019/09/02 08:25 | Ghitescu, Andreea v Mariia Kostiuk | 6-1,6-1 |
| Concord, Singles W-ITF-USA-31B | 2019/08/12 20:50 | Whittle, Sophia v Mariia Kostiuk | 6-1,6-1 |
| Concord, Singles W-ITF-USA-31B | 2019/08/12 16:59 | Papikian, Theresa v Mariia Kostiuk | 3-6,5-7 |
| Concord, Singles W-ITF-USA-31B | 2019/08/12 16:20 | Papikian, Theresa v Mariia Kostiuk | 3-6,5-7 |
| Landisville, Qualifications Simples W-ITF-USA-29A | 2019/08/05 18:45 | Okuno, Ayaka v Mariia Kostiuk | 6-2,6-2 |
| Ashland, Simples W-ITF-USA-23A | 2019/07/22 16:35 | Mariia Kostiuk v Rhiann Newborn | 3-6,1-6 |
| Osprey, Fl, Singles Qualifying W-ITF-USA-14A | 2019/04/22 14:30 | Mariia Kostiuk v van Nguyen, Chanelle | 5-7,2-6 |