<Tr> <Td> </Td> <Td> USA </Td> <Td> Pete Sampras (4) </Td> <Td> 000000001996 - 02 - 19 - 0000 February 19, 1996 </Td> <Td> 000000001996 - 03 - 10 - 0000 March 10, 1996 </Td> <Td> </Td> <Td> 116 </Td> </Tr> <Tr> <Td> </Td> <Td> AUT </Td> <Td> Thomas Muster (2) </Td> <Td> 000000001996 - 03 - 11 - 0000 March 11, 1996 </Td> <Td> 000000001996 - 04 - 14 - 0000 April 14, 1996 </Td> <Td> 5 </Td> <Td> 6 </Td> </Tr> <Tr> <Td> </Td> <Td> USA </Td> <Td> Pete Sampras (5) </Td> <Td> 000000001996 - 04 - 15 - 0000 April 15, 1996 </Td> <Td> 000000001998 - 03 - 29 - 0000 March 29, 1998 </Td> <Td> 102 </Td> <Td> 218 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> CHI </Td> <Td> Ríos, Marcelo Marcelo Ríos </Td> <Td> 000000001998 - 03 - 30 - 0000 March 30, 1998 </Td> <Td> 000000001998 - 04 - 26 - 0000 April 26, 1998 </Td> <Td> </Td> <Td> </Td> </Tr>

Who is ranked number one in the world in tennis