Teliana Pereira ensured a home winner in the Brasil Tennis Cup after edging out Annika Beck in Saturday's final.
Rafael Nadal will face Fabio Fognini in Hamburg on Sunday as he looks to secure a record 47th clay-court title.
Top seed David Goffin breezed past Thomaz Bellucci 6-4 6-2 to reach the final of the Swiss Open in Gstaad.
Qualifier Patricia Maria Tig belied a gap of more than 100 world ranking slots to dump out Anastasia Pavlyuchenkova in Baku.
Serena Williams has pulled out of next week’s WTA Tour event in Stanford, California, due to injury.
Home favourite Teliana Pereira booked a final meeting with Germany's Annika Beck at the Brasil Tennis Cup.
Feliciano Lopez has his resilient serve to thank for a place in the last four of the Swiss Open in Gstaad.
Rafael Nadal had few problems swatting Pablo Cuevas aside as he moved into the last four of the bet-at-home Open.
Top seed Anastasia Pavlyuchenkova needed barely an hour to book her place in the semi-finals of the Baku Cup.
Denis Kudla overcame third seed Jack Sock in straight sets in Atlanta to reach his third ATP World Tour quarter-final.