| Bulgarian Int. Women | 2023/10/06 15:20 | Kaloyana Nalbantova v Miu Lin Ngan | W | 2-1 |
| Bulgarian Int. Women | 2023/10/06 09:30 | Kaloyana Nalbantova v Nadezhda Nazarenko | W | 2-0 |
| Belgian International 2019, WS | 2023/09/14 08:00 | Kaloyana Nalbantova v Yigit, Neslihan | L | 0-2 |
| Indonesia Masters Women | 2023/09/06 07:10 | Karupathevan Letshanaa v Kaloyana Nalbantova | L | 2-0 |
| Nouvelle Aquitane Future Series Women | 2023/07/08 13:20 | Zhi Wei Loh v Kaloyana Nalbantova | W | 0-2 |
| Nouvelle Aquitane Future Series Women | 2023/07/08 09:00 | Naishaa Kaur Bhatoye v Kaloyana Nalbantova | W | 0-2 |
| Nouvelle Aquitane Future Series Women | 2023/07/07 17:30 | Elena-Alexandra Diordiev v Kaloyana Nalbantova | W | 0-2 |
| Nouvelle Aquitane Future Series Women | 2023/07/07 12:15 | Raksha Kandasamy v Kaloyana Nalbantova | W | 1-2 |
| Bulgarian Int. Women | 2023/10/06 09:35 | Danilenko, Dana v Natalia Slobodova | W | 1-2 |
| Croatian Int. Women | 2023/09/29 10:20 | Azkya A. Ruhanda v Natalia Slobodova | L | 2-0 |
| Polish Int. Women | 2023/09/21 13:00 | Leonice Huet v Natalia Slobodova | L | 2-0 |
| Slovenia Future Series Women | 2023/09/08 12:50 | Natalia Slobodova v Jaymie Laurens | L | 0-2 |
| Latvia Int. Women | 2023/09/01 14:50 | Natalia Slobodova v Pelupessy, Dounia | L | 0-2 |
| Latvia Int. Women | 2023/08/31 13:00 | Prokopovych, Anastasiia v Natalia Slobodova | W | 0-2 |
| Bonn Int. Women Qual | 2023/05/31 13:50 | Natalia Slobodova v Frederikke Ostergaard | L | 0-2 |
| Austrian Open Women Qual | 2023/05/25 15:35 | Leila Zarrouk v Natalia Slobodova | L | 2-0 |