Stadium: Clay Court 10 Round: 44 Ground: Clay
| ITF - W15 Héraklion | 2020/11/08 07:30 | Elena-Teodora Cadar v Koldobski, Koral | 7-5,6-1 |
| ITF - W15 Héraklion | 2020/10/25 12:00 | Koldobski, Koral v Orav, Saara | 3-6,1-6 |
| Israeli Exhibition Circuit Women | 2020/08/19 12:30 | Barad Itzhaki, Tamara v Koldobski, Koral | 6-1,6-1 |
| Israeli Exhibition Circuit Women | 2020/08/18 12:35 | Koldobski, Koral v Dagan Fruchtman, Mika | 0-6,5-7 |
| Israeli Exhibition Circuit Women | 2020/08/17 06:30 | Kimchi, Shavit v Koldobski, Koral | 6-2,6-4 |
| Israeli Exhibition Circuit Women | 2020/07/09 10:00 | Koldobski, Koral v Bereznyak, Shelly | 1-6,0-6 |
| Israeli Exhibition Circuit Women | 2020/07/03 07:00 | Bereznyak, Shelly v Koldobski, Koral | 6-2,6-0 |
| Israeli Exhibition Circuit Women | 2020/06/26 07:00 | Koldobski, Koral v Tahan, Maya | 0-6,2-6 |
| ITF - W15 Héraklion | 2020/11/05 10:30 | Olga Helmi v Rosca, Ioana Loredana | 2-6,4-6 |
| ITF - W15 Héraklion | 2020/11/03 07:30 | Martha Matoula v Olga Helmi | 3-6,6-3,5-10 |
| ITF - W15 Héraklion | 2020/11/02 08:00 | Matilde Mariani v Olga Helmi | 1-6,2-6 |
| ITF - W15 Héraklion | 2020/11/01 07:30 | Linda Sevcikova v Olga Helmi | 2-6,2-6 |
| ITF - W15 Héraklion | 2020/10/26 10:00 | Howard, Zoe v Olga Helmi | 2-6,6-3,10-7 |
| ITF - W15 Héraklion | 2020/02/23 08:00 | Olga Helmi v Zlatarova, Aleksandra | 4-6,6-1,8-10 |
| ITF - W15 Héraklion | 2020/02/14 09:00 | Martina Spigarelli v Olga Helmi | 6-7,6-4,6-3 |
| ITF - W15 Héraklion | 2020/02/13 11:40 | Vlkovska, Veronika v Olga Helmi | 7-5,2-6,2-6 |