The ATP World Tour continues on the Road to Roland Garros at the BMW where it saw big upsets today. After a quarterfinal run in Barcelona, Hyeon Chung took out top seed Gael Monfils in the second round. Chung next plays Martin Klizan, who took out No. 6 seed Mischa Zverev. Horacio Zeballos, who reached the semifinals of Barcelona Open last week, upset No. 5 seed and defending champion Philipp Kohlschreiber in the second round to set up quarterfinal clash with countryman and qualifier Guido Pella, who dismissed No. 4 seed Fabio Fognini.