Concept:This question tests awareness of recent sports news about tennis players from the United States.Explanation:Serena Williams, an American tennis legend, announced her retirement from professional tennis in 2022.She played her final competitive match at the US Open, bringing an era of great tennis to an end.Frank Parker, Bill Johnston, and Jim Courier are also former American tennis players, but none of them recently announced retirement.Only Serena Williams fits the description given in the question.Answer:Serena Williams