top seed

Right from intercepting Patrick Mahomes' first pass of the game, Buffalo looked the better side as they moved just a game behind their big rivals in the race for the AFC play-offs top seed.

Moutet, ranked 66th, advanced when Russian top seed Andrey Rublev withdrew after securing his place at the end-of-season ATP Finals next week.

British number one Katie Boulter was comfortably beaten in straight sets by Russian top seed Diana Shnaider in the final of the Hong Kong Open.

Boulter will play either Russian top seed Diana Shnaider or Canada's defending champion Leylah Fernandez on Sunday as she bids for a third WTA title of the year.

Top seed Sabalenka, who won the Australian Open and US Open titles, heads an eight-strong singles field in Riyadh as she looks to lift the title for the first time.