Andy Murray sat in his changeover chair and sobbed into a towel after winning his third consecutive three-setter to reach the Citi Open quarter-finals.
The Association of Tennis Professionals (ATP) was formed in September 1972 by Donald Dell, Bob Briner, Jack Kramer, and Cliff Drysdale to protect the interests of male professional tennis players. Drysdale became the first president. Since 1990, the association has organised the worldwide tennis tour for men. The ATP's global headquarters are in London, United Kingdom. ATP Americas is based in Ponte Vedra Beach, United States. ATP Europe is headquartered in Monaco, and ATP International, which covers Africa, Asia and Australasia, is based in Sydney, Australia.