|27/02/18||H Zeballos||ATP Brasil Open||R1||Lost|
|19/02/18||F Fognini||ATP Rio Open presented by Claro||R1||Lost|
|14/02/18||D Schwartzman||ATP Argentina Open||R2||Lost|
|12/02/18||P Cachin||ATP Argentina Open||R1||Won|
|05/02/18||V Estrella Burgos||ATP Ecuador Open Quito||R1||Lost|
|30/08/17||D Brown||US Open||R1||Lost|
Del Potro back in the big time
Nine years after winning his first major at the US Open, Juan Martin del Potro is now a master after his success in the desert at Indian Wells.
WATCH: Federer's 14 years at No 1
From fashion to technology and everything in between, a lot has changed since the first time Roger Federer claimed the No 1 ATP Ranking in 2004.
VOTE: Who is the G.O.A.T?
Roger Federer claimed a 20th Grand Slam title at the Australian Open and then became the oldest-ever world No 1 - but is he the greatest sportsperson of all time?