Stadium: COURT 2 Round: 64 Ground: Hardcourt indoor
| WTA Moscow Qual | 2018/07/23 07:00 | Fujiwara, Rika v Sizikova, Yana | 1-6,4-6 |
| WTA Gstaad Qual | 2018/07/14 09:10 | Conny Perrin v Sizikova, Yana | 6-4,6-4 |
| ITF Women Getxo | 2018/07/10 08:00 | Sizikova, Yana v Saez Larra, Olga | 4-6,1-6 |
| ITF Women Ilkley Qual | 2018/06/17 11:35 | Tere-Apisah, Abigail v Sizikova, Yana | 6-3,6-2 |
| ITF Women Saint Gaudens | 2018/05/16 12:35 | Sizikova, Yana v Jaimee Fourlis | 5-7,3-6 |
| ITF Women Saint Gaudens | 2018/05/15 09:45 | Soylu, Ipek v Sizikova, Yana | 5-7,2-6 |
| ITF Women Saint Gaudens Qual | 2018/05/14 08:00 | Sarah Beth Grey v Sizikova, Yana | 6-2,4-6,3-6 |
| ITF Women Saint Gaudens Qual | 2018/05/13 12:05 | Tholey, Lea v Sizikova, Yana | 2-6,2-6 |
| WTA Moscow Qual | 2018/07/23 07:00 | Monova, Polina v Martina Trevisan | 1-6,6-3,2-6 |
| WTA Gstaad | 2018/07/17 10:25 | Viktoria Hruncakova v Martina Trevisan | 6-2,7-5 |
| WTA Gstaad Qual | 2018/07/15 11:40 | Martina Trevisan v Amandine Hesse | 6-3,6-4 |
| WTA Gstaad Qual | 2018/07/14 12:45 | Martina Trevisan v Piter, Katarzyna | 4-6,7-6,6-3 |
| Rome, Singles W-WITF-ITA-10A | 2018/07/04 11:40 | Samsonova, Liudmila v Martina Trevisan | 7-5,6-0 |
| Wimbledon Women Qual | 2018/06/27 11:25 | Gibbs, Nicole v Martina Trevisan | 6-2,6-3 |
| Wimbledon Women Qual | 2018/06/26 11:15 | Zanevska, Maryna v Martina Trevisan | 2-6,3-6 |
| ITF Women Brescia | 2018/06/10 14:00 | Kaia Kanepi v Martina Trevisan | 6-4,6-3 |