Nicolas Kiefer upset third-seeded Tomas Berdych 6-3, 6-3 on Tuesday to advance to the second round of the Mercedes Cup in Stuttgart.
Kiefer beat Berdych for the first time in five matches. Berdych had been hoping for his second clay-court title in Germany this year, after winning in Munich.
Top-seed Gilles Simon of France advanced by defeating Philipp Petzschner of Germany 6-3, 6-4.
Another German, fifth-seeded Philipp Kohlschreiber, eased into the second round by beating Diego Junqueira of Argentina 6-3, 6-2.
Fabio Fognini of Italy dropped the first set but rallied to beat seventh-seeded Fabrice Santoro of France 5-7, 7-6 (3), 6-1.
With Germans enjoying a good day, Rainer Schuettler won only his second match on clay this year when he rallied to beat Ivo Minar of the Czech Republic 2-6, 7-6 (2), 6-4, and Mischa Zverev defeated Guillermo Garcia-Lopez of Spain 6-2, 6-4.
In an all-German encounter, Simon Greul beat Davis Cup player Andreas Beck 7-6 (4), 7-6 (5).
Alexandre Sidorenko of France defeated another Spaniard, Daniel Munoz-De La Nava, 7-6 (3), 1-6, 6-2.
Oscar Hernandez notched one Spanish victory when he beat Janko Tipsarevic of Serbia 6-4, 6-4, and Jeremy Chardy of France upset eight-seeded Jose Acasuso of Argentina 6-2, 7-6 (4).
AP, BASTAD, SWEDEN
Guillermo Canas of Argentina beat last year’s Wimbledon junior champion Grigor Dimitrov of Bulgaria 6-3, 7-6 (2) on Tuesday in the first round of the Swedish Open.
Juan Monaco beat eighth-seeded Maximo Gonzalez 7-6 (4), 3-6, 6-1 in an all-Argentine match.
Bjorn Phau of Germany, Potito Starace of Italy, Austria’s Daniel Koellerer, Peter Luczak of Australia, Kristof Vliegen of Belgium and Juan Monaco of Argentina also reached the second round.
Alla Kudryavtseva of Russia eliminated Nicole Vaidisova from the first round of the Prague Open on Tuesday, beating the Czech player 7-5, 6-2.
Timea Bacsinszky of Switzerland also advanced, beating sixth-seeded Magdalena Rybarikova of Slovakia 6-2, 7-6 (5), while Lucie Hradecka of the Czech Republic defeated Ksenia Pervak of Russia 6-3, 6-2 and Petra Kvitova of the Czech Republic beat Anna Lapuschenkova of Russia 6-1, 6-0.
AP, PALERMO, ITALY
Maria Jose Martinez Sanchez of Spain ousted third-seed Alize Cornet of France 6-2, 6-2 in the first round of the Palermo Open on Tuesday.
Home favorite and top seed Flavia Pennetta began her 10th bid to win Palermo, easing into the second round with a 6-2, 6-3 win over Arantxa Parra Santonja from Spain.
Pennetta reached the final in 2004 and lost last year in the semi-finals to compatriot Sara Errani, who won the tournament.
Errani began her title defense by defeating Mariya Koryttseva.