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.^{[citation needed]}

Past finals

Singles

Year	Champion	Runner-up	Score
2016	Anastasia Gasanova	Yana Sizikova	3–6, 6–2, 6–3
2017	Dejana Radanović	Anna Morgina	6–3, 6–3
2018	Vera Lapko	Anastasia Potapova	6–1, 6–3
2019	Sofya Lansere	Dea Herdželaš	6–1, 4–6, 6–3

Doubles

Year	Champions	Runners-up	Score
2016	Olga Doroshina Alena Tarasova	Polina Monova Yana Sizikova	6–2, 6–4
2017	Olesya Pervushina Anastasia Potapova	Ekaterina Kazionova Daria Kruzhkova	6–0, 6–1
2018	Olga Doroshina Anastasiya Komardina	Veronika Pepelyaeva Anastasia Tikhonova	6–1, 6–2
2019	Freya Christie Ekaterina Yashina	Anastasia Frolova Sofya Lansere	6–3, 6–3