Tuning into the U.S. Open tennis tournament? Then you might be wondering exactly how far does a professional tennis player actually run during a match? It sure looks like a lot of work chasing balls ...

Emma Raducanu's impressive run to the Miami Open quarter-finals came to an end at the hands of fourth seed Jessica Pegula. The American survived a mid-match surge from Raducanu en route to a tough 6-4 ...