Stadium: Court 1 Round: 27 Ground: Clay
| Prague, Singles W-WITF-CZE-06A | 2018/07/26 13:10 | Kostova, Elitsa v Lucrezia Stefanini | 6-2,6-4 |
| Prague, Singles W-WITF-CZE-06A | 2018/07/25 09:30 | Kostova, Elitsa v Katarina Zavatska | 6-2,4-6,6-4 |
| WTA Gstaad | 2018/07/18 10:30 | Marketa Vondrousova v Kostova, Elitsa | 6-4,6-4 |
| WTA Gstaad | 2018/07/17 08:30 | Kostova, Elitsa v Anna Kalinskaya | 6-4,0-6,6-2 |
| ITF Women Versmold | 2018/07/12 09:10 | Laura Siegemund v Kostova, Elitsa | 6-2,6-4 |
| Wimbledon Women Qual | 2018/06/26 10:00 | Jamie Loeb v Kostova, Elitsa | 1-6,7-5,6-1 |
| ITF Women Manchester | 2018/06/13 10:00 | Viktorija Golubic v Kostova, Elitsa | 6-3,6-4 |
| ITF Women Stare Splavy | 2018/06/09 12:30 | Kostova, Elitsa v Rebecca Sramkova | 7-5,4-6,4-6 |
| Prague, Singles W-WITF-CZE-06A | 2018/07/26 09:00 | Tena Lukas v Hogenkamp, Richel | 6-3,2-6,4-6 |
| Prague, Singles W-WITF-CZE-06A | 2018/07/24 12:25 | Amandine Hesse v Hogenkamp, Richel | 1-6,0-6 |
| ITF Women Versmold | 2018/07/11 17:25 | Olga Danilovic v Hogenkamp, Richel | 7-6,6-0 |
| 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 | Namigata, Junri v Hogenkamp, Richel | 0-6,2-6 |
| ITF Women Ilkley | 2018/06/20 14:20 | Harriet Dart v Hogenkamp, Richel | 6-3,6-0 |
| WTA Hertogenbosch | 2018/06/11 09:00 | Alison Van Uytvanck v Hogenkamp, Richel | 6-1,6-2 |
| Open de France - Femmes | 2018/05/29 12:25 | Sharapova, Maria v Hogenkamp, Richel | 6-1,4-6,6-3 |