Top-seeded Gilles Simon lost in the second round Thursday to unheralded Mischa Zverev at the Mercedes Cup tennis tournament in Stuttgart, Germany. The 21-year-old Zverev, the world's 45th-ranked men's tennis player, topped the seventh-ranked Simon 6-4, 6-2 by converting 3-of-8 break point chances and

Top-seeded Gilles Simon of France and Germans Philipp Kohlschreiber and Nicolas Kiefer were winners Tuesday at the Mercedes Cup in Stuttgart, Germany. Simon defeated German Philipp Petzschner 6-3, 6-4. Kohlschreiber, seeded fifth, defeated Argentine Diego Junqueira 6-3, 6-2.

Top-seeded Gilles Simon dominated in the first set Thursday en route to a second-round victory at the $595,000 Estoril Open in Portugal. Simon dropped just 13 points in the first set of a 6-0, 7-5 win over Fabio Fognini.

MIAMI (Reuters) - Fourth seed Andy Roddick ended the surprise run of Simon Greul, beating the German qualifier 6-3 3-6 6-2 on Tuesday to reach the quarter-finals of the Nasdaq-100 Open.

MIAMI (Reuters) - World number one Roger Federer posted his third win of the season over Tommy Haas with a 6-1 6-3 victory into the fourth round of the Nasdaq-100 Open on Monday.