Johanna Konta held off a fighting Aliaksandra Sasnovich at the Kremlin Cup.
Patrick Mouratoglou says it is time to allow on-court coaching.
Greg Rusedski says he "wouldn't be surprised" if Novak Djokovic wins all four Grand Slams again.
Simona Halep will miss the season-ending WTA Finals.
Vasek Pospisil beat Milos Raonic at the European Open.
Eugenie Bouchard secured a stunning win over Carla Suarez Navarro in Luxembourg.
Marco Cecchinato fell at the first hurdle at the Kremlin Cup.
Sloane Stephens, Karolina Pliskova, Kiki Bertens exit.
Rafael Nadal committed to Davis Cup.
Jo-Wilfried Tsonga sees off Guido Pella at European Open.