BAD GASTEIN, Austria — Top-seeded Sara Errani saved a match point and won the last five games to beat Ukrainian qualifier Maryna Zanevska 6-2, 4-6, 7-5 in the second round of the Gastein Ladies Thursday. Leading 2-0 in the second set, the Italian lost 11 of the next 15 games. Zanevska, who was seeking her first career quarterfinal, missed a match point while serving at 5-2 and failed to win another game. Errani will play either former champion Julia Goerges of Germany or Daria Kasatkina of Russia in the quarterfinals. The seventh-seeded Anna Karolina Schmiedlova of Slovakia won the first set 6-1 before her opponent Andreea Mitu pulled out. Samantha Stosur stormed into the quarterfinals by beating Klara Koukalova of the Czech Republic 6-1, 6-0 Wednesday. In her first quarterfinal since winning her seventh career title in Strasbourg in May, Stosur will play Danka Kovinic of Montenegro, who defeated lucky loser Richel Hogenkamp of the Netherlands 6-3, 6-1. Polona Hercog of Slovenia also reached the quarters by ousting fifth-seeded Lucie Hradecka of the Czech Republic 6-3, 6-2. Vinci to meet Rybarikova Italy's Roberta Vinci beat Russian qualifier Alexandra Panova 7-6 (3), 6-3 Wednesday to reach the quarterfinals of the Istanbul Cup. Vinci next plays Magdalena Rybarikova of Slovakia, who only needed 50 minutes to cruise past wild card entrant Ipek Soylu of Turkey 6-0, 6-0. In the day's other second round matches, Lesia Tsurenko of Ukraine was a 6-1, 6-1 winner over Daniela Hantuchova of Slovakia and Urszula Radwanska of Poland beat Bojana Jovanovski of Serbia 6-3, 6-2. Germany's Mona Barthel defeated Ukrainian qualifier Olga Savchuk 6-3, 7-5 in a first round match. Sousa upsets Seppi Portugal's Joao Sousa upset third-seeded Italian Andreas Seppi 6-2, 6-2 in the second round of the Croatia Open Wednesday. Sousa will next play fifth-seeded Fabio Fognini of Italy, who beat Damir Dzumhur of Bosnia-Herzegovina 6-3, 7-5. In the remaining first round matches Wednesday, Dusan Lajovic defeated fellow Serb Laslo Djere 6-3, 6-3, while Blaz Kavic of Slovenia beat 17-year-old wild card entrant Andrey Rublev of Russia 7-6 (0), 2-6, 6-3. Bellucci, Zverev advance Sixth-seeded Thomaz Bellucci of Brazil advanced to the quarterfinals of the Swedish Open after defeating wild card entrant Christian Lindell of Sweden 6-3, 6-4, Wednesday. Bellucci's victory left 2011 Bastad winner Robin Soderling as the last Swede to have reached the quarterfinals or better in the tournament. The Brazilian meets 18-year-old Alexander Zverev of Germany, who ousted fourth-seeded Juan Monaco of Argentina 6-4, 6-2, in an 80-minute game to reach his second World Tour quarterfinal. Argentine Federico Delbonis rallied to beat Brazilian qualifier Rogerio Dutra Silva 1-6, 6-4, 6-4, in two hours. He meets third-seeded defending champion Pablo Cuevas of Uruguay in the second round. In another first-round contest, Denis Istomin of Uzbekistan beat Diego Schwartzman of Argentina 6-3, 6-4 to line up a match against Spain's Nicolas Almagro. Groth beats Pella Sam Groth of Australia served 26 aces to beat Argentina's Guido Pella 7-5, 4-6, 7-5 Wednesday and advance to the round of 16 of the Claro Open in Bogota. The sixth-seeded Australian served 11 aces in the decisive third set alone at the ATP 250 hard court tournament. Eighth-seeded James Ward of Britain was upset by 129th-ranked Michael Berrer of Germany 6-4, 6-7 (7), 7-5 in a match in which both players served well. Berrer had 23 aces, six more than his opponent. In other first-round matches in Colombia, Rajeev Ram of the United States defeated Alejandro Falla of Colombia 6-4, 3-6, 6-3, while wild card Daniel Elahi Galan of Colombia, ranked 607th in the world, beat Pere Riba of Spain 7-6 (3), 6-3. — Agencies