Li Na and Marion Bartoli carry the weight of their nations on Thursday when they take on three-times grand slam champion Maria Sharapova and holder Francesca Schiavone respectively in the French Open semi-finals.
His ankle is hurting and his next opponent is Rafael Nadal.
Li Na said she had surprised herself after becoming the first Chinese player to reach the last four in singles at Roland Garros on Wednesday.
Australian Open finalist Li Na advanced to the semifinals of the French Open by beating fourth-seeded Victoria Azarenka of Belarus 7-5, 6-2 Wednesday.
Defending champion Rafa Nadal faces the only man to have beaten him at the French Open on Wednesday when Robin Soderling will have his 2009 triumph but also last year's final defeat rattling in his mind.
Austrian tennis player Daniel Koellerer has been banned from the sport for life for match-fixing, the Tennis Integrity Unit (TIU) said on Tuesday.
The world No 3 Roger Federer set up a semifinal clash with the world No. 2 Novak Djokovic at the French Open after defeating the ninth seeded Gael Monfils 6-4, 6-3, 7-6(3) on Tuesday.
Maria Sharapova has vowed to put years of claycourt under-achievement behind her, starting with victory over German 15th seed Andrea Petkovic in Wednesday's French Open quarter-finals.
China's Li Na joked that her stunning third-set comeback at the French Open on Monday was due to her husband and sometime coach leaving the arena - but said she could never bring herself to sack him.
Fans can book their seats for the 2011 China Open four months before the tournament swings off after the event's organizing company activated ticket sales recently.
World No. 7 Li Na from China on Monday fought back from one set down to defeat ninth-seeded Petra Kvitova from the Czech Republic 2-6, 6-1, 6-3, becoming the first Chinese player to reach the quarterfinals at the French Open.
No 3 Vera Zvonareva followed top-seeded Caroline Wozniacki and Kim Clijsters out of the tournament Sunday after losing to 19-year-old Anastasia Pavlyuchenkova 7-6 (4), 2-6, 6-2.