ESTORIL, Portugal (AP) – Fifth-seeded Juan Martin del Potro beat Yuichi Sugita of Japan 6-1, 6-3 in the first round of the Estoril Open on Tuesday.
The former US Open champion hit eight aces and broke Sugita four times to ease to the win in his clay-court debut for the season.
Del Potro, who won the Portuguese tournament in 2011 and 2012, will face American Ryan Harrison next after he beat Guillermo Garcia-Lopez 6-3, 2-6, 6-2.
American qualifier Bjorn Fratangelo upset sixth-seeded Joao Sousa 6-3, 6-4.
