Sobeys Stadium, formerly Aviva Centre and Rexall Centre, is a tennis stadium in Toronto, Ontario, Canada. The 12,500-capacity Stadium Court is the largest stadium at the tennis complex. Sobeys Stadium is the venue for the National Bank Open presented by Rogers, a professional tournament on the ATP World Tour and WTA circuits, held annually. Beginning 2021, Sobeys Stadium hosts the men's tournament in odd-numbered years and the women's event in even-numbered years, with the other gender's event held in Montreal in those years. The facility also is a year-round tennis training facility. The main stadium is occasionally used for seasonal concerts. Sobeys Stadium is located on the grounds of York University's Keele Campus in North York, Toronto.

The Canadian Open is an annual professional tennis tournament held in Ontario and Quebec, Canada. It is played on outdoor hard courts. The men's competition is an ATP Masters 1000 event on the ATP Tour, and the women's competition is a WTA 1000 event on the WTA Tour. It is the second-oldest active tennis tournament after Wimbledon.