Olympiad XXX: Federer-del Potro at 15-15 in 3rd

Wow! Roger Federer and Juan Martin del Potro are locked in a tight battle to reach the Gold Medal round of the London 2012 Olympics on Sunday August 5.

The score is currently 3-6 7-6(5) 15-15. There are no tiebreaks in the final set of Wimbledon.
Federer has broken del Potro once (in the third set) but couldn't serve out the match, and del Potro broke back and broke once in the first set. Looks like del Potro is ignoring his 2-12 head-to-head record (and my prediction) with Federer right now!

I doubt this match will go as long as 2010's Isner-Mahut (70-68 in deciding 5th set), but they may get to 2012's Tsonga-Raonic (25-23 in deciding 3rd set)!