Sixth seed Radu Albot beats top seed Adrian Mannarino on Friday for a place in the Singapore semi-finals.

Daniil Medvedev has won 20 of his past 21 matches entering the ABN AMRO World Tennis Tournament in Rotterdam.

Daniil Medvedev will pursue his first Rotterdam title in 2021.

Tommy Robredo competes at the Gran Canaria Challenger.

Tommy Robredo hits the links in Gran Canaria, Spain.

Nicola Kuhn features at the ATP Challenger Tour return to Gran Canaria, Spain.

The ATP Challenger Tour returns to Gran Canaria, Spain.

Andy Roddick founded his Andy Roddick Foundation in 2000.

Diego Schwartzman saves six of the seven break points he faces to oust Marco Cecchinato on Thursday in the second round of the Cordoba Open.

Lorenzo Musetti is the top seed at the ATP Challenger Tour event in Gran Canaria, Spain.

Former doubles No. 5 and 2013 Nitto ATP Finals champion David Marrero is the tournament director in Gran Canaria.

Juan Manuel Cerundolo rallies past Miomir Kecmanovic on Thursday in Cordoba to reach the quarter-finals of an ATP Tour event for the first time.

Roberto Bautista Agut wins 82 per cent of his first-serve points against Gregoire Barrere to reach the quarter-finals in Montpellier.

Roberto Bautista Agut breaks Gregoire Barrere's serve six times on Thursday to reach the Montpellier quarter-finals.

Top seeds Henri Kontinen and Edouard Roger-Vasselin beat Ugo Humbert and Jo-Wilfried Tsonga on Thursday in Montpellier.

Dominic Inglot and Luke Bambridge beat wild cards Jamie Cerretani and Adil Shamasdin on Thursday in Singapore.

Alejandro Davidovich Fokina beats fourth seed Hubert Hurkacz on Thursday for a place in the Montpellier quarter-finals.

Rafael Nadal, the 2009 runner-up, has withdrawn from the Rotterdam tournament due to a back injury.

Top seed Adrian Mannarino starts his Singapore campaign with victory over Roberto Marcora on Thursday.

Matthew Ebden knocks out second seed and fellow Australian John Millman on Thursday in Singapore.

The ATP Challenger Tour returns to Gran Canaria, Spain.

The ATP Challenger Tour returns to Gran Canaria, Spain.

David Nalbandian began a part-time coaching arrangement with Serbian Miomir Kecmanovic this week in Cordoba.

Benoit Paire saves all eight break points he faces against Nicolas Jarry to reach the quarter-finals of the Cordoba Open.