CoCo goes Loco! Vandeweghe destroys her racquet

Trailing 5-0 in the first set against Bethanie Mattek-Sands, CoCo Vandeweghe let out her frustrations on her racquet.

At the change of ends, the 23-year-old American smashed her racquet to pieces, before gesturing to the crowd to go even further.

The hopes of getting out her anger and resuming normal services didn't really go to plan, with Vandeweghe losing the set 6-2 and eventually the second set 6-1.