Robin Haase advanced to the semifinals of the Swiss Open by beating defending champion Mikhail Youzhny 3-6, 6-1, 6-4 Friday in a rematch of last year's final.
Juan Monaco of Argentina beat third-seeded Guillermo Garcia-Lopez of Spain 6-2, 2-6, 6-4 in the Swiss Open second round on Wednesday.
Two-time champion Thomaz Bellucci won his first-round match at the Swiss Open on Tuesday, beating Gerald Melzer of Austria 6-3, 6-4.
Serbian qualifier Filip Krajinovic defeated defending champion Fabio Fognini 6-4, 6-0 Wednesday as a host of seeded players crashed out in the second round of the Hamburg Open.
Defending champion Tommy Haas reached the semifinals of the BMW Open by defeating Andreas Seppi 6-3, 3-6, 6-3 on Friday.
Two-time former champion Philipp Kohlschreiber was knocked out in the first round of the BMW Open on Tuesday, losing 7-5, 2-6, 6-4 to Denis Istomin.
Sixth-seeded Andreas Seppi was knocked out of the first round of the Nastase Tiriac Trophy on Tuesday, along with seventh-seeded Nicolas Mahut.
Argentine Federico Delbonis won his first ATP title by defeating Paolo Lorenzi of Italy 4-6, 6-3, 6-4 in the Brazil Open final on Sunday.
Top-seeded Tommy Haas retired with a shoulder injury while losing 6-3, 3-2 to Paolo Lorenzi of Italy in the Brazil Open semifinals on Saturday.
Top-seeded Tommy Haas came back to defeat Horacio Zeballos of Argentina 6-3, 5-7, 6-2 to advance to the Brazil Open semifinals on Friday.
Wild card Thomaz Bellucci continued to feed off his home crowd Thursday, beating Austria's Andreas Haider-Maurer 7-6 (4), 5-7, 6-3 to reach the quarterfinals of the Brazil Open.
Home-crowd favorite Thomaz Bellucci defeated eighth-seeded Santiago Giraldo of Colombia 4-6, 7-5, 6-3 to reach the second round of the Brazil Open on Tuesday.
Top-seeded Rafael Nadal reached the semifinals of the Rio Open, showing no problems with a sore back in defeating Joao Sousa of Portugal 6-1, 6-0 on Friday.
Second-seeded David Ferrer overcame a tough first set to advance to the Rio Open quarterfinals with a 7-6 (2), 6-1 win over Argentina's Federico Delbonis on Wednesday.
Top-seeded Rafael Nadal advanced to the third round at the Australian Open with a 6-2, 6-4, 6-2 win over Australian wild-card entry Thanasi Kokkinakis on Thursday.
Leonardo Mayer of Argentina upset top-seeded Philipp Kohlschreiber 6-4, 7-6 (4) on Tuesday to reach the quarterfinals of the bet-at-home Cup.