What is the use of a tennis racquet?
How about a tennis ball?
Serena Williams’s outburst was targeted at the line judge who foot-faulted her when she was serving at a set down and 5-6 and 15-30 in the second, giving her opponent Kim Clijsters two match points.
To be fair, that foot-fault call was an extremely rare and controversial one to make at this stage of the match. As it turned out, it effectively cost her the match.