Defending champion Tommy Robredo beat fellow Spaniard Albert Ramos-Vinolas 6-4, 6-4 on Wednesday to reach the quarterfinals of the Croatia Open. Third-seeded Marin Cilic of Croatia also advanced, beating Dutchman Igor Sijsling 7-5, 6-3. It was Cilic's fourth victory over Sijsling in as many encounters and the Croatian was dominant from the start. Fifth-seeded Czech Lukas Rosol also reached the quarterfinals, defeating Spaniard Pere Riba 7-6 (4), 6-1. Read more http://espn.go.com/tennis/story/_/i...ukas-rosol-advance-croatia-open-quarterfinals