The 2013 ATP Race heats up as 10 contenders are battling it out for the remaining four spots to qualify for the 2013 ATP World Tour Finals in London. With two ATP 500 tournaments scheduled this week, eight of the 10 contenders will have a huge chance to grab a very important and critical points. Four of the eight contenders are playing at 2013 Davidoff Swiss Indoors and the other four at 2013 Valencia Open. The draws are out and I will make a preview on who will gain a momentum and strengthen his qualifications going to London.