Stadium: Court 3 Round: 25
| ITF Women Figueira Da Foz Qual | 2018/07/16 13:40 | Ueda, Ramu v Sara Lanca | 6-2,6-3 |
| ITF Women Figueira Da Foz Qual | 2018/07/14 12:30 | Ueda, Ramu v Frahn, Madison | 6-3,6-3 |
| ITF Women Getxo Qual | 2018/07/08 13:00 | Ueda, Ramu v Baranano, Paula | 2-6,3-6 |
| ITF Women Hong Kong | 2018/06/18 02:00 | Ueda, Ramu v Xiaodi You | 2-6,2-6 |
| ITF Women Singapore Qual | 2018/06/10 02:00 | Ueda, Ramu v Aldila Sutjiadi | 3-6,3-6 |
| ITF Women Singapore Qual | 2018/06/09 02:00 | Ueda, Ramu v Yui Chikaraishi | 6-3,6-0 |
| ITF Women Singapore | 2018/06/06 04:35 | Minokoshi, Mai v Ueda, Ramu | 7-6,6-4 |
| ITF Women Singapore | 2018/06/04 02:00 | Ueda, Ramu v Tan, Hx Isabella | 6-0,6-1 |
| ITF Women Setubal | 2018/07/12 09:30 | Sarah Rebecca Sekulic v Koehler, Maria Joao | 0-6,7-6,6-3 |
| ITF Women Setubal | 2018/07/10 11:20 | Koehler, Maria Joao v Zakarlyuk, Marianna | 6-2,5-7,6-2 |
| ITF Women Guimaraes | 2018/07/01 13:00 | Koehler, Maria Joao v Zeel Desai | 6-1,3-6,6-1 |
| ITF Women Guimaraes | 2018/06/29 10:00 | Gravouil, Theo v Koehler, Maria Joao | 2-6,2-6 |
| ITF Women Guimaraes | 2018/06/28 10:00 | Karola Patricia Bejenaru v Koehler, Maria Joao | 3-6,1-6 |
| ITF Women Guimaraes | 2018/06/27 11:45 | Bertschmann, Stephanie v Koehler, Maria Joao | 0-6,0-6 |
| ITF Women Amarante | 2018/06/20 09:00 | Koehler, Maria Joao v Olga Helmi | 3-6,2-6 |
| Obidos, Singles W-WITF-POR-12A | 2018/06/14 13:55 | Koehler, Maria Joao v Lulu Sun | 0-6,3-6 |