Kei Nishikori secured his first ever victory over Juan Martin del Potro in the quarter-finals of the Swiss Indoors Basel on Friday.
Andy Murray sailed into the Erste Bank Open semi-finals on Friday with a dominant 6-1, 6-3 victory over John Isner.
Garbine Muguruza earned her first win at the 2016 WTA Finals when she defeated Svetlana Kuznetsova on Friday.
Urszula Radwanska has announced on Instagram that mononucleosis brought a premature end to her season.
Andy Murray is through to the quarter-finals of the Erste Bank Open in Vienna after surviving a testing encounter against Frenchman Gilles Simon.
Top seed Stan Wawrinka made hard work of his second-round clash against Donald Young at the Swiss Indoors Basel on Thursday, though he managed to prevail in the end.
Angelique Kerber booked her place in the semi-finals of the WTA Final in Singapore following her win over Madison Keys.
Slovak tennis player Dominika Cibulkova has kept her hopes alive of reaching the last four of the WTA Finals in Singapore by defeating Simona Halep in straight sets on Thursday.
Top seed Andy Murray survived a second-set blip to beat Martin Klizan in the first round round of the Erste Bank Open.
Kei Nishikori is through to the quarter-finals of the Swiss Indoors Basel after beating Italian Paolo Lorenzi in straight sets.
Defending champion Agnieszka Radwanska recovered from her stumble on day one to defeat Garbine Muguruza at the WTA Finals in Singapore on Wednesday.
Top seed Stan Wawrinka got off to winning ways at the Swiss Indoor in Basel against Swiss countryman Marco Chiudinelli on Tuesday.
Australian tennis player Nick Kyrgios is a step closer to entering the top-10 rankings for the first time.
Angelique Kerber said that her confidence among top-flight competition was a key component of her winning formula after downing Simona Halep
Stan Wawrinka earned a hard fought victory on a day of upsets at the Swiss Indoors Basel on Tuesday.
Dominic Thiem and David Ferrer were among the victors in the opening round of the Erste Banks Open in Austria on Tuesday.
Angelique Kerber and Madison Keys were victorious in their clashes at the WTA Finals in Singapore on Tuesday.
Andy Murray insists that he will do his utmost to usurp Novak Djokovic as the world's best tennis player in the remaining three events of th
Svetlana Kuznetsova gave herself an on-court haircut which triggered a remarkable come-back victory against Agnieszka Radwanska.
Second seed Tomas Berdych suffered a shock first-round exit at the Erste Bank Open 500 in Vienna on Monday, going down in three sets to Nikoloz Basilashvili of Georgia.
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