RWB Ladies Cup

The RWB Ladies Cup (formerly known as the O1 Properties Ladies Cup) is a tournament for professional female tennis players played on indoor hard courts. The event is classified as a $25,000 ITF Women's Circuit tournament and has been held in Khimki, Russia, annually, since 2016. The event was held as a $100,000 tournament in 2018, but downgraded the following year to a $25,000 tournament.