Federer posts win at Qatar Open after year layoff Arsenal beat Chelsea to stay stop, Salah lifts Liverpool Perfect China cruises into Uber Cup quarters F1 joins Lagardere in China push Djokovic overturns two-set deficit to surpass Sinner Youngsters win at China's table tennis Olympic simulation China learn fates in Thomas and Uber Cup Highlights of women's doubles second round at French Open Barty wins Yarra Valley Classic, Russia lift ATP Cup Xi sends condolences to Philippine president over tropical storm losses ATP confirm cancellation of Shanghai Masters China urges Britain to abide by one-China principle Spain's Marquez claims pole position Russia, Ukraine agree to extend grain export deal Hamilton grabs pole at Brazilian Grand Prix University of California workers strike for higher wages, better working conditions Nadal topples Djokovic in four-set French Open thriller El Salvador ends 'pact' with Taiwan region Day 2: England get big win, happy return for Wales