Former world number one player Angelique Kerber plans to return to tennis at next year’s US Open at the latest, after giving birth to her first child. The three-time grand slam winner has not played since summer due to her pragnancy. The baby is expected in March and the 34-year-old German told Wednesday’s Sport Bild magazine that she plans a swift return but without rushing back into action. “I believe I will return towards the end of the year. Rather New York than Wimbledon, but if Wimbledon works out than I would happily take that as well,” Kerber said. “I will take my time because when I c…