Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/10/15 08:00 | Elliott, Olivia v Ivana Sebestova | 3-6,6-4,3-6 |
| ITF Women Chiswick Qual | 2018/08/05 14:00 | Elliott, Olivia v Claudia Giovine | 3-6,6-7 |
| ITF Women Woking Qual | 2018/07/30 10:00 | Elliott, Olivia v Paladini Jennings, Martina | 4-6,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/04/22 07:30 | Zakarlyuk, Marianna v Elliott, Olivia | 6-1,6-4 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/04/21 12:00 | Elliott, Olivia v Tuayeva, Alana | 6-2,7-6 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2018/04/14 09:30 | Morandais, Anne-Sophie v Elliott, Olivia | 6-4,6-0 |
| ITF Women Wirral | 2017/10/23 09:30 | Mccolgan, Hannah v Elliott, Olivia | 6-3,6-3 |
| ITF Women Wirral | 2017/10/22 09:30 | Peet, Olivia v Elliott, Olivia | 2-6,4-6 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/10/15 08:00 | Tilbuerger, Jantje v Washington, Amber | 7-6,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/10/14 10:00 | Felsenhart, Aurore v Washington, Amber | 3-6,5-7 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/10/10 08:00 | Lamis Alhussein Abdel Aziz v Washington, Amber | 4-6,6-3,6-4 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/10/08 08:00 | Washington, Amber v Bizhukova, Tamara | 6-0,6-2 |
| Sharm El Sheikh, Singles W-WITF-EGY-09A | 2018/10/02 09:05 | Washington, Amber v Kakuya, Akiho | 6-4,1-6,4-6 |
| ITF Women Guayaquil | 2018/08/14 17:50 | Washington, Amber v Luini, Sofia | 4-6,4-6 |
| ITF Women Guayaquil | 2018/08/12 16:00 | Jones, Alexis v Washington, Amber | 1-6,2-6 |
| ITF Women Guayaquil | 2018/08/08 16:40 | Lacasse, Raphaelle v Washington, Amber | 6-4,6-1 |