Kazakhstan and USA into Davis Cup quarters

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Six Davis Cup contests will be decided on the final day, but Kazakhstan and United States are already through to the last eight.

Kazakhstan and United States coasted into the quarter-finals of the Davis Cup with 3-0 victories over Switzerland and Serbia respectively on Sunday (AEDT).

Timur Khabibulin and Aleksandr Nedovyesov finished off the job for Kazakhstan, sealing a thrilling 6-4 6-4 3-6 6-7 (5-7) 6-3 win over Marc-Andrea Huesler and Luca Margaroli in Astana.

Dias Doskarayev's side were the first to reach the last eight and will take on Croatia or Canada for a place in the semi-finals.

The US also needed just the three rubbers to advance, Steve Johnson and Ryan Harrison beating Nikola Milojevic and Miljan Zekic in Nis.

A partisan crowd at Sportski Centar Cair was left disappointed after Johnson and Harrison prevailed 6-7 (3-7) 6-2 7-5 6-4 after singles wins for Sam Querrey and John Isner on Saturday (AEDT).

Defending champion France took a 2-1 lead over Netherlands in Albertville, Pierre-Hugues Herbert and Nicolas Mahut getting the better of Jean-Julien Rojer and Robin Haase.

Rojer and Haase had three set points in the opener and served to take the rubber into a decider, but were left to ponder what might have been after going down 7-6 (8-6) 6-3 6-7 (3-7) 7-6 (7-2).

Marton Fucsovics and Attila Balasz kept Hungary in their tie against Belgium with a 6-3 6-4 6-7 (2-7) 4-6 7-5 triumph over Ruben Bemelmans and Joris de Loore to trail 2-1.

Spain, Italy, Germany and Croatia also hold 2-1 leads heading into the final days of their ties against Great Britain, Japan, Australia and Canada respectively.