NEW YORK CITY: Anastasia Potapova clutched her knee and crumpled to the courtroom within the closing levels of a gruelling US Open fourth-round conflict. After two hours and 25 minutes of pushing one another to their limits, the second the 25-year-old went down, Mirra Andreeva, the No.5 seed, sprinted throughout the courtroom to assist her good friend.In the long run, Andreeva, the reigning Roland Garros champion, gained the final recreation to seal a 5-7, 6-4, 6-3 victory, however it was her rush to Potapova’s support that lingered lengthy after the match.Andreeva, 19, first met Potapova in Monastir, Tunisia when she was handed a wildcard into the WTA 250 and drew Potapova within the first spherical. On the time, she was already a longtime identify on tour and, to Andreeva, a participant she had watched from afar.“Nastya was at all times like a prodigy. She got here on tour early, she additionally had plenty of wins,” Andreeva recalled.Potapova gained that first assembly, however Andreeva got here away impressed by greater than her tennis.“She mentioned plenty of good phrases,” Andreeva mentioned. The 2 started practising collectively and, as they spent extra time round one another, their friendship grew naturally.Within the quarterfinals, Andreeva will play world No.4 Coco Gauff.