Juan Martín del Potro made a successful clay-court comeback after three years away when he beat Dustin Brown, 7-6 (2), 6-4, to advance to the second round of the BMW Open in Munich. Del Potro won the United States Open in 2009 and was ranked as high as No. 4 in the world until a wrist injury hindered his career.
u25a0 Second-seeded Nick Kyrgios beat Íñigo Cervantes, 7-6 (4), 7-5, to reach the quarterfinals of the Estoril Open in Portugal.