Stadium: Clay 2 Round: 25 Ground: Hardcourt outdoor
| ITF Women Heraklion | 2018/10/29 07:30 | Nikocevic, Sarah v Guerin, Kimberly | 1-6,4-6 |
| ITF Women Heraklion | 2018/10/28 10:00 | Mataruga, Ramona v Guerin, Kimberly | 6-7,1-6 |
| ITF Women Florence | 2018/10/14 18:30 | Harrison, Madison v Guerin, Kimberly | 4-6,6-3,6-3 |
| ITF Women Charleston | 2018/10/01 13:00 | Guerin, Kimberly v Beck, Chloe | 2-6,2-6 |
| ITF Women Charleston | 2018/09/30 13:00 | Lynn, Rebecca v Guerin, Kimberly | 1-6,2-6 |
| ITF Women Hilton Head | 2018/09/26 14:55 | Eudice Chong v Guerin, Kimberly | 6-4,6-4 |
| ITF Women Dublin | 2018/07/29 11:30 | Lazic, Ema v Guerin, Kimberly | 6-2,6-3 |
| ITF Women Sandelfjord | 2018/07/25 10:25 | Rosenqvist, Julia v Guerin, Kimberly | 6-2,6-2 |
| ITF Women Varna | 2018/09/13 06:30 | Ulrikke Eikeri v Astakhova, Darya | 6-4,5-7,6-3 |
| ITF Women Varna | 2018/09/12 08:20 | Astakhova, Darya v Gaspar-Ivan, Ioana | 6-2,6-4 |
| ITF Women Varna | 2018/09/11 11:45 | Pirok, Alexa v Astakhova, Darya | 4-6,3-6 |
| ITF Women Varna | 2018/09/10 06:15 | Ilay Yoruk v Astakhova, Darya | 1-6,3-6 |
| Astana, Singles W-WITF-KAZ-05A | 2018/07/17 07:25 | Astakhova, Darya v Ekaterina Yashina | 0-6,6-2,5-7 |
| ITF Women Astana Qual | 2018/07/15 08:00 | Astakhova, Darya v Ipek Oz | 7-5,6-0 |
| ITF Women Astana Qual | 2018/07/15 04:30 | Kruzhkova, Daria v Astakhova, Darya | 6-7,5-7 |
| ITF Women Astana Qual | 2018/07/14 07:00 | Astakhova, Darya v Kalkenova, Karina | 6-0,6-1 |