2018 Moscow River Cup

The 2018 Moscow River Cup was a women's tennis tournament played on outdoor clay courts. It was the first edition of the event and part of the WTA International tournaments of the 2018 WTA Tour. It took place at the National Tennis Center in Moscow, Russia from 23 through 29 July 2018.

Seeds

 * 1 Rankings as of July 16, 2018.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇩🇪 Antonia Lottner
 * 🇷🇺 Anastasia Potapova

The following players received entry using a protected ranking into the singles main draw:
 * 🇩🇪 Laura Siegemund

The following players received entry from the qualifying draw:
 * 🇪🇸 Paula Badosa Gibert
 * 🇮🇹 Deborah Chiesa
 * 🇷🇺 Varvara Flink
 * Valentini Grammatikopoulou
 * 🇷🇺 Valentyna Ivakhnenko
 * 🇮🇹 Martina Trevisan

The following players received entry as lucky losers:
 * 🇷🇴 Irina Bara
 * 🇷🇸 Olga Danilović

Withdrawals

 * Before the tournament
 * 🇷🇴 Irina-Camelia Begu → replaced by 🇷🇴 Irina Bara
 * 🇷🇴 Mihaela Buzărnescu → replaced by 🇧🇬 Viktoriya Tomova
 * 🇮🇹 Sara Errani → replaced by 🇸🇰 Anna Karolína Schmiedlová
 * Polona Hercog → replaced by 🇷🇺 Vera Zvonareva
 * Petra Martić → replaced by 🇷🇸 Olga Danilović
 * 🇰🇿 Yulia Putintseva → replaced by Tamara Zidanšek
 * 🇷🇺 Elena Vesnina → replaced by 🇷🇺 Ekaterina Alexandrova


 * During the tournament
 * Anastasija Sevastova

Retirements

 * Tamara Zidanšek

Seeds

 * 1 Rankings as of July 16, 2018.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇷🇺 Sofya Lansere / 🇰🇿 Elena Rybakina
 * 🇷🇺 Polina Monova / 🇧🇪 Maryna Zanevska

Singles

 * 🇷🇸 Olga Danilović def. 🇷🇺 Anastasia Potapova, 7–5, 6–7(1–7), 6–4

Doubles

 * 🇷🇺 Anastasia Potapova / 🇷🇺 Vera Zvonareva def. 🇷🇺 Alexandra Panova / 🇰🇿 Galina Voskoboeva, 6–0, 6–3