Caroline Wozniacki may not have won a Grand Slam, but the top seed at the China Open says she knows what Roland Garros winner Li Na is going through after a humiliating first-round exit in Beijing. Home idol Li was bundled out in straight sets at the weekend by qualifier Monica Niculescu of Romania, earning the wrath of China’s tennis fans. With constant carping at her lack of a major title despite holding WTA number-one honours for the last year, Dane Wozniacki can understand what her Chinese rival must be facing.