Stadium: Court 3 Round: 54 Ground: Clay
| WTA Moscow | 2018/10/14 10:50 | Koval, Vlada v Vikhlyantseva, Natalia | 6-7,3-6 |
| WTA Moscow | 2018/10/13 16:35 | Koval, Vlada v Lisicki, Sabine | 3-6,7-5,7-6 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/20 05:00 | Koval, Vlada v Shusharina, Maria | 3-6,6-1,3-6 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/19 04:00 | Koval, Vlada v Ania Hertel | 6-2,6-3 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/17 03:30 | Koval, Vlada v Khabibulina, Albina | 6-1,6-3 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/09/14 07:00 | Koval, Vlada v Daria Lodikova | 3-6,3-6 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/09/13 05:00 | Koval, Vlada v Dmitrichenko, Yekaterina | 6-2,6-2 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/09/12 04:00 | Koval, Vlada v Sevil Yuldasheva | 6-3,6-3 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/25 06:15 | Kalinina, Viktoriia v Paulenka, Katyarina | 6-4,6-4 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/18 06:35 | Detkovskaya, Dariya v Paulenka, Katyarina | 6-1,6-3 |
| ITF Women Minsk | 2018/06/16 07:00 | Paulenka, Katyarina v Bovy, Margaux | 6-4,6-3 |
| ITF Women Minsk | 2018/06/15 07:00 | Paulenka, Katyarina v Ipek Oz | 6-4,4-6,6-0 |
| ITF Women Minsk | 2018/06/14 09:20 | Elena Malygina v Paulenka, Katyarina | 3-6,6-3,3-6 |
| ITF Women Minsk | 2018/06/13 07:00 | Paulenka, Katyarina v Zhuravleva, Angelina | 6-3,6-3 |
| ITF Women Minsk | 2018/06/12 09:45 | Nazarchuk, Polina v Paulenka, Katyarina | 5-7,3-6 |
| ITF Women Minsk | 2018/06/06 08:45 | Nazarkina, Daria v Paulenka, Katyarina | 6-0,6-2 |