Spain's David Marrero & Fernando Verdasco Win 2013 ATP World Tour Finals Doubles Title Monday Nov 11,2013

Spain's David Marrero & Fernando Verdasco won the title, defeating USA's Bob & Mike Bryan 7-5,6-7,10-7 on Monday Nov 11,2013

It was the second-longest doubles match of this year’s tournament, at 1hr 44min

The 6th-seeded Spaniards claimed their first win over the American twins in their fourth attempt, preventing the Bryans from claiming a fourth title

It is the second year in a row that a Spanish duo won the doubles in London.
Marcel Granollers & Marc Lopez won last season.

The Bryans have finished No. 1 for a fifth straight year and a record ninth time overall. They have won 11 titles in 2013, including the Australian Open, French Open and Wimbledon.
 

SF 1
Spain's David Marrero & Fernando Verdasco beats Ivan Dodig(Croatia) & Marcelo Melo(Brazil)7-6,7-5
SF 2 
USA's Bob & Mike Bryan beats Alexander Peya(Austria) & Bruno Soares(Brazil)4-6,6-4,10-8

2013 ATP World Tour Finals Contesting Players -Men's Doubles
Group A

• USA's Bob & Mike Bryan 
• Ivan Dodig(Croatia) & Marcelo Melo(Brazil)
• Aisam ul Haq Qureshi(Pakistan) & Jean Julien Rojer(Netherlands)
• Poland's Mariusz Fyrstenberg & Marcin Matkowski

Group B

• Alexander Peya(Austria) & Bruno Soares(Brazil)
• Spain's Marcel Granollers & Marc Lopez
• Spain's David Marrero & Fernando Verdasco
• Leander Paes(India) & Radek Stepanek(Czech)