1 Jack Sock may have lost his fourth-round match to Jo-Wilfried Tsonga, but he hit the shot of the tournament (so far) with a drop-shot tweener winner.2 Sock also found a new celebration by fencing (after winning his third-round over Marin Cilic).3 Gael Monfils stole the show with hot shots like this...4 And antics in the rain like this:5 Tsonga fought his way into the quarterfinals inspired by his lookalike, the late Muhammad Ali.6 It's not all been fun and games though; Dominic Thiem retired against Juan Martin del Potro with a knee injury.