- Del Potro beats Wawrinka in four sets
- First top-five win in three years
- Serena & Venus Williams barely escape
- Play announced on middle Sunday
(CNN)Juan Martin del Potro slipped holding a break point late in the first set of his upset win over fifth-ranked Stan Wawrinka at Wimbledon. It wasn't a nasty spill and the Argentine held himself up, but he then sat on the grass, seemingly pausing to embrace the grand surroundings.