Zheng Qinwen’s sponsors have proved even more excited than her long-awaiting fans, kicking off a new round of commercial campaigns to capitalise on her 69-spot surge to world No 52 after her comeback run at the US Open. Following her amazing comeback victories at the year’s final grand slam event in New York, where she lost only to eventual champion Elena Rybakina in the quarter-finals, her sponsors posted celebratory campaigns, competing to highlight their early faith in her resilience. Among...