Who did Thiago Monteiro defeat in the first round of ATP 250 São Paulo?
Nicolás Almagro
David Ferrer
Tommy Robredo
Feliciano López
Answer
Thiago Monteiro defeated Nicolás Almagro in the first round of ATP 250 São Paulo. This was a major upset, as Almagro was seeded fifth in the tournament and Monteiro was ranked 87th in the world. Monteiro won the match in straight sets, 6-4, 6-3.