Nadal, Federer both enter Montreal Masters -- china.org.cn

World number one Roger Federer and Spanish ace Rafael Nadal both will make appearance at the Montreal Masters next week.

Tournament director Eugene Lapierre said he was happy to have 19 of the top 20 players confirmed their participation in the tournament celebrating its 30th anniversary.

New dad Federer would return to competition one month after his wife gave birth to twin girls Charlene Riva and Myla Rose.

Federer has bagged a record 15 Grand Slam titles after winning at Wimbledon in July.

Roger Federer of Switzerland reacts during his Gentlemen's Singles finals match against Andy Roddick of the U.S.. Federer beats Andy Roddick of the U.S. 5-7, 7-6, 7-6, 3-6, 16-14, in the Men's Singles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 5, 2009.(Xinhua Photo)

Roger Federer of Switzerland reacts during his Gentlemen's Singles finals match against Andy Roddick of the U.S.. Federer beats Andy Roddick of the U.S. 5-7, 7-6, 7-6, 3-6, 16-14, in the Men's Singles Final of the 2009 Wimbledon Tennis Championships at the All England Tennis Club, in southwest London, on July 5, 2009.[Xinhua Photo]

Nadal, who is suffering from tendinitis in both knees and has not played a competitive match since May 31, will come back, too.

Spain's Rafael Nadal practices at center court prior to the start of the Rogers Cup tennis tournament in Montreal, August 7, 2009. Nadal has been suffering from tendonitis in both knees and has not played a competitive match since being knocked out in the fourth round of the French Open on May 31.

Spain's Rafael Nadal practices at center court prior to the start of the Rogers Cup tennis tournament in Montreal, August 7, 2009. Nadal has been suffering from tendonitis in both knees and has not played a competitive match since being knocked out in the fourth round of the French Open on May 31. [Xinhua/Reuters Photo]

(Xinhua News Agency August 10, 2009)