Tomas Berdych and Stanislas Wawrinka were both ousted from the Swiss Indoors event in Basel in surprise first-round results.
Roger Federer says he will continue to use his new, larger tennis racquet for the foreseeable future.
Five-times champions Spain crashed out of the Davis Cup when Milos Raonic gave Canada an unassailable lead in Vancouver.
Holders Czech Republic moved into the quarter-finals of the Davis Cup with Tomas Berdych outlasting Swiss opponent Stanislas Wawrinka a day after the pair
Czech Republic beat Switzerland in the longest ever Davis Cup match with their doubles match finishing 6-4 5-7 6-4 6-7 24-22.
ATP round-up: Top-seed Roger Federer advanced through to the quarter-finals of the Swiss Indoors in Basel with a 6-3 6-7(6) 7-5 win over Thomaz Bellucci.
ATP round-up: Juan Carlos Ferrero's singles career came to an emotional end when he lost 7-5 6-3 to Nicolas Almagro in the Valencia Open first round.
Tomas Berdych and Janko Tipsarevic both came through straightforward second round matches at ATP Tokyo to make the quarter-finals.
Andy Murray coasted through to the quarter-finals of the Japan Open in Tokyo with a 6-1 6-2 victory over Lukas Lacko.
Top seed Andy Murray blew away the cobwebs with a win over Ivo Karlovic in his first match since winning the US Open.
Roger Federer has confirmed that he will play in Switzerland's Davis Cup play-off tie away to Netherlands at the weekend.
First round: Marco Chiudinelli (Switzerland) beat Horacio Zeballos (Argentina) 7-5 7-5; 4-Tommy Haas (Germany) beat Michael Russell (US) 6-4
Round-up: Eaton moved into the second round of qualifying for Wimbledon on an otherwise poor day for British hopes in the men’s draw.
Andy Murray booked his place in the quarter-finals in Dubai with an improved display and a 6-3 6-4 victory over Marco Chiudinelli.
Second-round results: 7-Janko Tipsarevic (Serbia) beat Flavio Cipolla (Italy) 6-7 (2) 6-1 6-1
ATP World Tour Finals
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