Stadium: Central Round: 25
| US Open Women | 2018/08/21 19:30 | Duque Marino, Mariana v Arina Rodionova | 5-7,5-7 |
| WTA Bucharest | 2018/07/16 11:00 | Duque Marino, Mariana v Arantxa Rus | 2-6,4-6 |
| ITF Women Budapest | 2018/07/11 14:30 | Dalma Galfi v Duque Marino, Mariana | 5-7,7-5,6-4 |
| Wimbledon Women | 2018/07/03 16:10 | Alison Riske v Duque Marino, Mariana | 6-1,6-1 |
| Wimbledon Women Qual | 2018/06/28 11:40 | Duque Marino, Mariana v Eugenie Bouchard | 3-6,2-6 |
| Wimbledon Women Qual | 2018/06/27 11:15 | Duque Marino, Mariana v Hogenkamp, Richel | 6-4,6-1 |
| Wimbledon Women Qual | 2018/06/26 10:00 | Duque Marino, Mariana v Renata Zarazua | 6-4,6-0 |
| Hodmezovasarhely, Simples W-WITF-HUN-06A | 2018/06/16 08:00 | Duque Marino, Mariana v Irina Maria Bara | 4-6,7-5,6-2 |
| ITF Women Hechingen | 2018/08/09 11:00 | Laura Siegemund v Chiara Scholl | 6-2,6-3 |
| ITF Women Hechingen | 2018/08/08 10:50 | Rebecca Sramkova v Chiara Scholl | 7-5,4-6,1-6 |
| ITF Women Bad Saulgau | 2018/08/01 08:00 | Ianchuk, Olga v Chiara Scholl | 6-2,6-4 |
| ITF Women Horb | 2018/07/27 12:30 | Gerlach, Katharina v Chiara Scholl | 6-1,6-2 |
| ITF Women Horb | 2018/07/26 11:35 | Laura Ioana Paar v Chiara Scholl | 1-6,4-6 |
| ITF Women Horb | 2018/07/25 13:35 | Lea Boskovic v Chiara Scholl | 6-3,4-6,5-7 |
| ITF Women Versmold | 2018/07/12 07:30 | Piter, Katarzyna v Chiara Scholl | 6-3,6-1 |
| ITF Women Aschaffenburg | 2018/07/04 12:45 | Marie Benoit v Chiara Scholl | 7-5,6-1 |