Stadium: Court 1 Round: 25
| ITF Women Singapore | 2018/06/13 03:40 | Haruka Kaji v Kolar, Nastja | 3-6,6-3,6-4 |
| ITF Women Singapore | 2018/06/12 03:45 | Tammy Tan v Kolar, Nastja | 2-6,0-6 |
| ITF Women Tiberias | 2018/05/15 07:00 | Kolar, Nastja v Tahan, Maya | 6-1,6-2 |
| Tbilisi, Singles W-WITF-GEO-01A | 2018/05/02 08:55 | Kolar, Nastja v Isabella Shinikova | 1-6,5-7 |
| Tbilisi, Singles W-WITF-GEO-01A | 2018/05/01 06:00 | Pirazhenka, Sviatlana v Kolar, Nastja | 3-6,4-6 |
| Karshi, Singles W-WITF-UZB-01A | 2018/04/23 08:30 | Ekaterina Kazionova v Kolar, Nastja | 7-6,1-6,6-4 |
| ITF Women Istanbul Qual | 2018/04/08 12:00 | Paar, Laura-Ioana v Kolar, Nastja | 6-2,6-0 |
| ITF Women Istanbul Qual | 2018/04/07 12:20 | Anil, Cemre v Kolar, Nastja | 3-6,2-6 |
| ITF Women Fergana Qual | 2018/06/18 07:30 | Stamat, Vitalia v Khalimullina, Gulsina | 6-0,6-1 |
| ITF Women Fergana Qual | 2018/06/17 07:30 | Stamat, Vitalia v Ostrovskaya, Sofya | 6-2,3-6,6-4 |
| ITF Women Namangan Qual | 2018/06/04 12:15 | Stamat, Vitalia v Golubovskaya, Sofya | 1-6,3-6 |
| ITF Women Namangan Qual | 2018/06/02 05:00 | Stamat, Vitalia v Khalimullina, Gulsina | 6-0,6-2 |
| ITF Women Andijan Qual | 2018/05/27 10:30 | Stamat, Vitalia v Karimjanova, Yasmina | 6-1,4-6,0-6 |
| ITF Women Andijan Qual | 2018/05/26 08:10 | Stamat, Vitalia v Amedieva, Milena | 6-3,6-3 |
| ITF Women Hammamet | 2018/05/10 09:00 | Stamat, Vitalia v Victoria Kan | 4-6,3-6 |
| ITF Women Hammamet | 2018/05/09 09:00 | Annika Kannan v Stamat, Vitalia | 2-6,0-6 |