Wanna know Djokovic vs. del Potro result? Check ITF website (Yahoo Sports)

Wanna know who’s going to win that big first-round matchup between No. 1 Novak Djokovic and 2009 U.S. Open champion Juan Martin del Potro at the Rio de Janeiro Olympics? If you believe the draw sheet posted online by the International Tennis Federation , the victor of that match scheduled for Sunday is already known, days ahead of time – and it’s del Potro. There’s more such info at that site as of Thursday night: 14-time major champion Rafael Nadal apparently is going to lose to Federico Delbonis in a real stunner.