US Open Champ Andreescu is WTA’s No. 5; Medvedev 4th in ATPUS Open Champ Andreescu is WTA’s No. 5; Medvedev 4th in ATPAndreescu's 6-3, 7-5 victory over Serena Williams in the final on Saturday continued the 19-year-old Canadian's rapid rise from 178th at the end of last season.Associated PressAssociated Press