On Monday, Daniil Medvedev became the 27th world no. 1 since the start of the ATP rankings in 1973. Medvedev is only the fifth different world no. 1 since February 2004, joining Roger Federer, Rafael Nadal, Novak Djokovic and Andy Murray on the notable list.Last March, Medvedev entered the top-2 alongside Novak Djokovic and kicked off Rafael Nadal from the exclusive group for the first time since June 2017! On July 24, 2005, Rafael Nadal claimed the title in Stuttgart, grabbed 250 ATP points and became world no.2 on the next day. A teenager passed Lleyton Hewitt on the ATP list to officially become Roger Federer’s closest rival, leaving all other opponents behind him following incredible results in the last couple of months. Andy Murray brok …