Rafael Nadal beat Fabio Fognini in straight sets to win his 47th clay-court title in the bet-at-home Open.
Dominic Thiem overcame top seed David Goffin 7-5 6-2 in the Swiss Open final on Sunday to claim his third ATP title.
Margarita Gasparyan claimed the first WTA Tour title of her career by beating Patricia Maria Tig in the final of the Baku Cup.
Top seed John Isner secured his place in the final of the Atlanta Open but needed three sets to beat Denis Kudla.
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.