<Tr> <Td> * </Td> <Td_colspan="3"> current streak in bold </Td> </Tr> <P> as of October 9, 2017 </P> <Table> <Tr> <Th> </Th> <Th> Country </Th> <Th> No. of players </Th> <Th> No. of weeks </Th> <Th> Players </Th> <Th> Ref </Th> </Tr> <Tr> <Td> 1 . </Td> <Th> United States </Th> <Td> 6 </Td> <Td> 896 </Td> <Td> Jimmy Connors, John McEnroe, Jim Courier, Pete Sampras, Andre Agassi, Andy Roddick </Td> <Td> </Td> </Tr> <Tr> <Td> 2 . </Td> <Th> Switzerland </Th> <Td> </Td> <Td> 302 </Td> <Td> Roger Federer </Td> <Td> </Td> </Tr> <Tr> <Td> 3 . </Td> <Th> Czechoslovakia </Th> <Td> </Td> <Td> 270 </Td> <Td> Ivan Lendl </Td> <Td> </Td> </Tr> <Tr> <Td> 4 . </Td> <Th> Serbia </Th> <Td> </Td> <Td> 223 </Td> <Td> Novak Djokovic </Td> <Td> </Td> </Tr> <Tr> <Td> 5 . </Td> <Th> Sweden </Th> <Td> </Td> <Td> 201 </Td> <Td> Björn Borg, Mats Wilander, Stefan Edberg </Td> <Td> </Td> </Tr> <Tr> <Td> 6 . </Td> <Th> Spain </Th> <Td> </Td> <Td> 159 </Td> <Td> Carlos Moyá, Juan Carlos Ferrero, Rafael Nadal * </Td> <Td> </Td> </Tr> <Tr> <Td> 7 . </Td> <Th> Australia </Th> <Td> </Td> <Td> 89 </Td> <Td> John Newcombe, Patrick Rafter, Lleyton Hewitt </Td> <Td> </Td> </Tr> <Tr> <Td> 8 . </Td> <Th> Brazil </Th> <Td> </Td> <Td> 43 </Td> <Td> Gustavo Kuerten </Td> <Td> </Td> </Tr> <Tr> <Td> 9 . </Td> <Th> United Kingdom </Th> <Td> </Td> <Td> 41 </Td> <Td> Andy Murray </Td> <Td> </Td> </Tr> <Tr> <Td> 10 . </Td> <Th> Romania </Th> <Td> </Td> <Td> 40 </Td> <Td> Ilie Năstase </Td> <Td> </Td> </Tr> <Tr> <Td> 11 . </Td> <Th> Russia </Th> <Td> </Td> <Td> 15 </Td> <Td> Yevgeny Kafelnikov, Marat Safin </Td> <Td> </Td> </Tr> <Tr> <Td> 12 . </Td> <Th> Germany </Th> <Td> </Td> <Td> 12 </Td> <Td> Boris Becker </Td> <Td> </Td> </Tr> <Tr> <Td> 13 . </Td> <Th> Austria </Th> <Td> </Td> <Td> 6 </Td> <Td> Thomas Muster </Td> <Td> </Td> </Tr> <Tr> <Th> Chile </Th> <Td> </Td> <Td> 6 </Td> <Td> Marcelo Ríos </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> </Th> <Th> Country </Th> <Th> No. of players </Th> <Th> No. of weeks </Th> <Th> Players </Th> <Th> Ref </Th> </Tr>

Who is ranked number two in men's tennis