Alexa poer in advanced to the round of 16 at a grand slam for the first time on Saturday pulling off a remarkable fouret victory over defending Champion Novak jokovic the match at the US Open in New York ended 6 to4 6 to4 2-6 6 to4 in favor of the 25-year-old Australian jovic's exit came just a day after third seed and favorite Carlos alcaraz was surprisingly knocked out in the second round by world number 74 bodic banel it was incredible poin said I thought to myself why not me today