‘You have been heard’: WTA apologises to players for Cancún conditions

• Aryna Sabalenka had felt disrespected' at Tour Finals
• Jessica Pegula continues winning run en route to semi-finals

The Women's Tennis Association has conceded that this year's edition of the tour finals was not a perfect event" and signalled changes to the operation of the circuit after a series of complaints from leading players about how they are treated.

In a letter to the players leaked to Sports Illustrated, the WTA chief executive, Steve Simon, said the late selection of Cancun in Mexico to host the showpiece tournament was based on a number of complicated factors".