The main draw of the 2011 Cincinnati Masters gets underway on Sunday August 14 and the biggest name on the Order of Play is Juan Martin Del Potro.
The Argentine had a disappointing result in Montreal as he fell to Marin Cilic early. However, Delpo can bounce back this week and he'll open his efforts against Andreas Seppi of Italy.
Del Potro, who is favored to beat Seppi, is in Federer's section of the draw. If the Argentine beats Seppi in the first round, then Federer and Del Potro will meet in the second round as Federer, the defending champion and No. 3 seed in Cincinnat, has a bye through the first round.
Since Del Potro made his return from his wrist injury, he has not actually faced Federer head to head. The two players had a rivalry in 2009 and Federer took Del Potro out of the Australian Open, the Madrid Masters and the French Open.
Del Potro answered back late in the year as he famously defeated the Swiss Maestro in the 2009 US Open final and, less famously, in the round-robin of the ATP World Tour Finals.
Del Potro has not played well against the best players on tour in 2011 and would gain a lot of confidence heading into Flushing Meadows should he could score a win over Federer.
First things first however: Del Potro faces Seppi on Sunday in a match that will not start before 2 pm in Cincinnati.
Another fan favorite in action in the men's draw in the Cincinnati Masters on Sunday is Marcos Baghdatis, as he faces American James Blake.