Roger Federer and Alexander Zverev scored vital singles wins as Team Europe roared back to beat Team World at the Laver Cup in Geneva.
Jo-Wilfried Tsonga became the first man to win four singles titles at the Moselle Open with victory over Aljaz Bedene on Sunday.
Daniil Medvedev came back from his US Open final defeat to Rafael Nadal to win a sixth career title, beating Borna Coric in St Petersburg.
Aryna Sabalenka will continue her Wuhan Open title defence against Danielle Collins, who overcame former world number one Venus Williams.
Andy Murray admits his best days are probably over as he continues the latest stage of his career with a run of four events in four weeks.
Madga Linette offered little resistance as Karolina Muchova cruised to a 6-1 6-1 triumph in the final of the Korea Open on Sunday.
Kim Clijsters might be about to return to the WTA Tour, but she will not be renewing a rivalry with Li Na.
The highly anticipated doubles pairing of Rafael Nadal and Roger Federer could not link up at the Laver Cup due to an injury concern.
After beating Anastasia Pavlyuchenkova, Naomi Osaka felt the backing of her hometown was crucial to her Pan Pacific Open triumph.
Beaten by Roger Federer but too strong for Rafael Nadal in the doubles, Nick Kyrgios was at the centre of Saturday's Laver Cup action.