Achievements Seeberger has a career high Association of Tennis Professionals singles ranking of 1200 achieved on 3 August 2015. He also has a career high Association of Tennis Professionals doubles ranking of 155 achieved on 27 July 2015. Partnering Julio Peralta in 2015, Seeberger won the United States Open National Playoffs awarding the pair a wildcard into the main draw of the 2015 United States Open men"s doubles event.