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