2023 was a breakthrough year for 19-year-old tennis sensation Coco Gauff as she won four tournaments including her maiden grand slam title at the US Open in September. The American, who added another victory on Sunday in Auckland, New Zealand, has her sights firmly on the upcoming Australian Open where she will be one of the favorites alongside world number one Iga Swiatek. For an inside look at the tennis phenom, Don Riddell spoke with Coco's coach Brad Gilbert, who is a former player, tennis commentator, and coached greats such as Andre Agassi, Andy Murray and Andy Roddick.