Jürgen Melzer

Bulgaria's best tennis player Grigor Dimitrov will play two matches at the Mutua Madrilena Madrid Open Tour Tuesday.

Dimitrov's first match will be against US player Donald Young, scheduled to start minutes before 2 pm at the second biggest court of the tournament.

HOUSTON - Serbian tennis player Janko Tipsarevic had a successful start at the Houston Open, scoring a hard-fought win over Guilherme Clezar of Brazil 6-4, 3-6, 7-6 (9-7) late on Tuesday CET.

MIAMI - Serbian tennis players Novak Djokovic and Janko Tipsarevic did not make it to the second round of the Miami Open men's doubles after they were edged by Austrian Jurgen Melzer and Swedish Robert Lindstedt 6-4, 3-6, 10-7.

The doubles match on Friday evening marked Tipsarevic's return to competition after being sidelined by injury for one year and a half.

MIAMI - Serbia's Janko Tipsarevic has confirmed that he will play in the men's doubles category at the ATP Masters tournament in Miami, which will mark his return to the game after an 18-month break caused by an injury.

Tipsarevic will play alongside Novak Djokovic and face Robert Lindstedt of Sweden and Juergen Melzer of Austria in the first round.

MELBOURNE - Serbia's Viktor Troicki advanced to the third round of the Australian Open tennis after defeating Argentina's Leonardo Mayer 6-4, 4-6, 6-4, 6-0 in Melbourne early Wednesday morning CET.

The Serb, who extended his winning streak to 10 matches, will next play Czech Tomas Berdych, who beat Jurgen Melzer of Austria 7-6 (7-0), 6-2, 6-2.

AP Photo/Rick Rycroft

ROME - Serbia's Nenad Zimonjic and Daniel Nestor of Canada reached the men's doubles quarter-finals at the Rome Masters tournament late Wednesday by beating Kevin Anderson of South Africa and Jurgen Melzer of Austria 3-6, 7-6 (7-4), 14-12.