| ITF W15 Bucha | 2019/09/05 08:00 | Kateryna Diatlova v Mariia Bergen | 6-3,6-3 |
| ITF W15 Heraklion | 2020/03/11 12:30 | Kateryna Diatlova v Elina Avanesyan | 3-6,3-6 |
| ITF W15 Heraklion | 2020/03/10 08:00 | Kateryna Diatlova v Lara Panfilov | 6-4,6-1 |
| ITF W15 Heraklion | 2020/03/08 08:30 | Sofiia Likhacheva v Kateryna Diatlova | 2-6,0-6 |
| ITF W15 Chornomorsk | 2019/10/01 07:00 | Kateryna Diatlova v Evgeniya Levashova | 2-6,4-6 |
| ITF W15 Chornomorsk | 2019/09/30 08:00 | Kateryna Diatlova v Olga Terletska | 6-1,6-4 |
| ITF W15 Bucha | 2019/09/06 07:30 | Vladlena Bokova v Kateryna Diatlova | 7-6,6-1 |
| ITF W15 Bucha | 2019/09/05 08:00 | Kateryna Diatlova v Mariia Bergen | 6-3,6-3 |
| ITF W15 Bucha | 2019/09/04 08:00 | Sofia Dmitrieva v Kateryna Diatlova | 2-6,2-6 |
| UTF Invitational - Femenino | 2020/05/27 13:15 | Marta Kostyuk v Mariia Bergen | 6-3,5-1 |
| ITF W15 Heraklion | 2020/03/10 10:45 | Sofia Rocchetti v Mariia Bergen | 6-1,6-4 |
| ITF W15 Heraklion | 2020/03/09 14:30 | Alice Viglianisi v Mariia Bergen | 2-6,2-6 |
| ITF W15 Heraklion | 2020/03/08 08:30 | Elena Gemovic v Mariia Bergen | 3-6,1-6 |
| ITF W15 Heraklion | 2020/03/01 08:30 | Mariia Bergen v Karola Patricia Bejenaru | 1-6,2-6 |
| ITF W15 Heraklion | 2020/02/24 08:30 | Stella Wiesemann v Mariia Bergen | 3-6,6-4,10-8 |
| ITF W15 Heraklion | 2020/02/23 11:00 | Mariia Bergen v Sara Lanca | 6-4,6-4 |
| ITF W15 Heraklion | 2019/12/09 08:30 | Simona Ogescu v Mariia Bergen | 6-1,6-2 |