Angelique Kerber and Laura Siegemund will play doubles together for Germany at the upcoming Paris Olympics tournament at Roland Garros where Siegemund won the French Open mixed doubles title last month. The pair share six grand slam titles between them heading into the July 27-August 4 tennis event at the Games. Former world number Kerber won singles titles at the 2016 Australian and US Open, plus Wimbledon in 2018. She also won Olympic silver in 2016. Siegemund triumphed in the women’s doubles at the 2020 US Open with Vera Zvonareva, and in the mixed doubles at the 2016 US Open with Mate Pavi…