Stadium: Court 1 Round: 25
| ITF Women Budapest | 2018/08/20 08:00 | Kimmelmann, Julia v Nina Ugrelidze | 6-0,6-2 |
| ITF Women Dublin | 2018/07/31 12:35 | Kimmelmann, Julia v Karola Patricia Bejenaru | 5-7,6-3,1-6 |
| ITF Women Baja | 2018/07/21 08:30 | Lopatetska, Daria v Kimmelmann, Julia | 6-1,6-1 |
| ITF Women Baja | 2018/07/20 10:30 | Kimmelmann, Julia v Viktoria Morvayova | 6-4,6-4 |
| ITF Women Baja | 2018/07/19 11:35 | Lukacs, Vanda v Kimmelmann, Julia | 6-4,4-6,5-7 |
| ITF Women Baja | 2018/07/18 13:15 | Pump, Luca v Kimmelmann, Julia | 1-6,3-6 |
| ITF Women Baja | 2018/07/16 08:00 | Kimmelmann, Julia v Polanska, Tereza | 3-6,6-3,6-0 |
| ITF Women Focsani Qual | 2018/07/01 07:00 | Kimmelmann, Julia v Damaschin, Alexandra | 6-2,4-6,1-6 |
| ITF Women Budapest | 2018/08/20 10:05 | Naydenova, Aleksandrina v Ramskogler, Nadja | 6-3,6-1 |
| El Espinar, Singles W-WITF-ESP-14A | 2018/07/31 14:00 | Naydenova, Aleksandrina v Ekaterina Yashina | 6-1,6-1 |
| ITF Women El Espinar Qual | 2018/07/29 15:30 | Naydenova, Aleksandrina v Gonzalez Encinas, Marta Huqi | 6-2,6-0 |
| ITF Women El Espinar Qual | 2018/07/28 15:30 | Naydenova, Aleksandrina v Coppola, Claudia | 6-3,6-3 |
| WTA Gstaad Qual | 2018/07/14 17:05 | Ivakhnenko, Valentyna v Naydenova, Aleksandrina | 6-1,6-0 |
| ITF Women Setubal | 2018/07/11 13:30 | Victoria Bosio v Naydenova, Aleksandrina | 4-6,6-1,7-6 |
| ITF Women Setubal | 2018/07/10 13:55 | Armitano, Mathilde v Naydenova, Aleksandrina | 3-6,2-6 |
| ITF Women Madrid Qual | 2018/06/18 09:00 | Naydenova, Aleksandrina v Maria Camila Osorio Serrano | 4-6,4-6 |