In another quarter-final encounter No. 3-seeded Roger Federer is locking horns with 24th-seeded Juan Martin del Potro. Winner of this encounter will face Nadal in the semi-final.
If Federer gets through, there will be blockbuster semi-final in the offing. Millions hope for this to happen.
Federer owns a record 19 Grand Slam men's singles titles, five at the US Open; Nadal ranks second overall with 15, two in New York.