US Open: Kenin downs Jabeur to reach last-16, Keys retires with neck injury

Jabeur shocks Pliskova in front of raucous Doha crowd

US Open: Pliskova survives scare, serene progress for Williams

Twin-win situation – Pliskova replaces Pliskova in Doha

Russia's Kasatkina wins Kremlin Cup

Goerges rallies to reach Luxembourg Open final, Jabeur makes history

Seeds suffer in Moscow and Luxembourg

Injured Halep vows to play in WTA Finals

What motivates tennis players