| Date: | 16–22 July |
| Edition: | 10th |
| Category: | ITF Women's Circuit |
| Location: | Olomouc, Czech Republic |
| Prize Money: | $80,000+H |
| Champs: |  Fiona Ferro |
| Champd: |  Petra Krejsová / Jesika Malečková |
The 2018 ITS Cup was a professional tennis tournament played on outdoor clay courts. It was the tenth edition of the tournament and was part of the 2018 ITF Women's Circuit. It took place in Olomouc, Czech Republic, on 16–22 July 2018.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Czech Republic | Kateřina Siniaková | 42 | 1 | |
 Ukraine | Kateryna Kozlova | 67 | 2 | |
| Czech Republic | Kristýna Plíšková | 77 | 3 | |
| Ukraine | Anhelina Kalinina | 125 | 4 | |
| France | Fiona Ferro | 160 | 5 | |
| Czech Republic | Barbora Krejčíková | 200 | 7 | |
 Slovakia | Michaela Hončová | 220 | 8 |
The following players received a wildcard into the singles main draw:
Nikola Břečková Magdaléna Pantůčková
Anastasia Pribylova Barbora ŠtefkováThe following players received entry from the qualifying draw:
The following player received entry as a lucky losers:
See main article: 2018 ITS Cup – Singles.
Fiona Ferro def. Karolína Muchová, 6–4, 6–4See main article: 2018 ITS Cup – Doubles.
Petra Krejsová / Jesika Malečková def. Lucie Hradecká / Michaëlla Krajicek, 6–2, 6–1
