Stadium: Court 16 Round: 44 Ground: Hardcourt outdoor
| WTA Bucharest | 2018/07/16 11:00 | Mariana Duque Marino v Arantxa Rus | 2-6,4-6 |
| ITF Women Budapest | 2018/07/11 14:30 | Dalma Galfi v Mariana Duque Marino | 5-7,7-5,6-4 |
| Wimbledon Women | 2018/07/03 16:10 | Alison Riske-Amritraj v Mariana Duque Marino | 6-1,6-1 |
| Wimbledon Women Qual | 2018/06/28 11:40 | Mariana Duque Marino v Eugenie Bouchard | 3-6,2-6 |
| Wimbledon Women Qual | 2018/06/27 11:15 | Mariana Duque Marino v Richel Hogenkamp | 6-4,6-1 |
| Wimbledon Women Qual | 2018/06/26 10:00 | Mariana Duque Marino v Renata Zarazua | 6-4,6-0 |
| ITF Women Hodmezovasarhely | 2018/06/16 08:00 | Mariana Duque Marino v Irina Maria Bara | 4-6,7-5,6-2 |
| ITF Women Hodmezovasarhely | 2018/06/15 09:00 | Mariana Duque Marino v Cagla Buyukakcay | 6-4,6-0 |
| ITF Women Landisville | 2018/08/07 16:00 | Madison Brengle v Arina Rodionova | 7-6,2-6,6-1 |
| ITF Women Lexington | 2018/08/02 15:00 | Anastasia E Nefedova v Arina Rodionova | 7-6,2-6,6-3 |
| ITF Women Lexington | 2018/08/01 16:45 | Ellen Perez v Arina Rodionova | 1-6,6-3,2-6 |
| ITF Women Granby | 2018/07/29 17:00 | Arina Rodionova v Julia Glushko | 4-6,3-6 |
| ITF Women Granby | 2018/07/28 17:40 | Arina Rodionova v Katherine Sebov | 6-2,6-0 |
| ITF Women Granby | 2018/07/27 19:00 | Arina Rodionova v Rebecca Marino | 6-4,6-7,7-5 |
| ITF Women Granby | 2018/07/25 17:55 | Arina Rodionova v Astra Sharma | 6-4,6-1 |
| ITF Women Granby | 2018/07/23 16:30 | Arina Rodionova v Haruka Kaji | 6-4,7-6 |