Massu, an Olympic gold medalist and the fourth seed, beat Juan Antonio Marin of Costa Rica, 6-4, 7-6 (7-2) and Moya topped qualifier Fabio Fognini of Italy, 7-5, 6-3.
In other matches, No. 6 Alberto Martin of Spain beat Edgardo Massa of Argentina, 6-2, 6-4 and fellow Spaniard Ruben Ramirez Hidalgo was a 6-4, 6-2 winner over second-seeded Paul-Henri Mathieu of France.
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