Stadium: Court Center Round: 44
| Obidos, Singles W-WITF-POR-12A | 2018/10/11 16:10 | Naydenova, Aleksandrina v Katarzyna Kawa | 6-3,0-6,1-6 |
| Obidos, Singles W-WITF-POR-12A | 2018/10/10 14:10 | Naydenova, Aleksandrina v Vale Costa, Joana | 6-4,3-6,6-3 |
| Obidos, Singles W-WITF-POR-12A | 2018/10/08 10:30 | Naydenova, Aleksandrina v Hering, Katharina | 6-0,6-1 |
| Obidos, Singles W-WITF-POR-12A | 2018/10/05 13:25 | Naydenova, Aleksandrina v Mirjam Bjorklund | 6-7,1-6 |
| Obidos, Singles W-WITF-POR-12A | 2018/10/03 09:30 | Ekaterina Shalimova v Naydenova, Aleksandrina | 0-6,2-6 |
| Obidos, Singles W-WITF-POR-12A | 2018/10/01 10:30 | Naydenova, Aleksandrina v Eklund, Mia | 7-6,6-3 |
| Obidos, Singles W-WITF-POR-12A | 2018/09/30 11:00 | Naydenova, Aleksandrina v Sara Lanca | 6-1,6-0 |
| Clermont-Ferrand, Singles W-WITF-FRA-23A | 2018/09/24 10:30 | Naydenova, Aleksandrina v Brouleau, Lou | 1-6,6-1,4-6 |
| ITF Women Seville | 2018/10/13 12:00 | Atucha Gomez, Ainhoa v Lazareva, Margarita | 3-6,4-6 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/25 03:30 | Lazareva, Margarita v Dmitrieva, Sofia | 6-7,2-6 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/19 08:55 | Shusharina, Maria v Lazareva, Margarita | 6-2,6-4 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/18 07:45 | Grinchishina, Alexandra v Lazareva, Margarita | 4-6,4-6 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/09/12 06:15 | Detkovskaya, Dariya v Lazareva, Margarita | 7-5,7-5 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/09/11 05:00 | Dmitrieva, Sofia v Lazareva, Margarita | 5-7,1-6 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/08/28 04:30 | Anastasia Gasanova v Lazareva, Margarita | 6-3,6-2 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/08/26 05:00 | Khabibulina, Albina v Lazareva, Margarita | 6-7,3-6 |