The 18-time Grand Slam champion is upset that Williams' team allowed her to step on court in dazed state.
The Australian teenager was feeling it in all sorts of ways on Tuesday, and pulled off this trick shot.
The World No. 1 looked out of sorts from the start and double faulted four times before retiring.
The Bulgarian opts to go between the legs on this point against Leonardo Mayer. Naturally, it works.
Judy Murray and the LTA have announced plans for a new program to encourage more young girls to get into tennis.
The Swiss maestro and Wilson Tennis have collaborated on a new line of Pro Staff Racquets, which are set to hit stores in October of 2014.
The 17-time Grand Slam champion feels that her opponents tend to play out of their heads against her.
