An emotional Gauff had a blazing row with umpire Aurelie Tourte, telling the official she “should be ashamed” for not overturning a call.The 20-year-old American then wiped tears from her eyes as boos rang out all around Court Philippe Chatrier.World number one Swiatek, a seemingly unstoppable force at Roland Garros, went on to register her 20th consecutive win here, 6-2 6-4.Swiatek is now just one victory away from becoming the first woman to claim three consecutive French Open titles since Justine Henin in 2007.It was another disheartening afternoon for Gauff, who is on the wrong half of…