challenger's qualifications, he plays the reigning champion in a best of 14 games format (best of seven games on each side of the Atlantic). If each player wins seven games, the total point score is used as a tie breaker. The current singles champion is Tom Billings who defeated Alex Duncliffe-Vines in 2019. There will be another Challenge in November 2022 between Billings and the current World number 1 Ben Cawston. The current Doubles world champions are Tom Billings and Richard Owen who defeated James Stout and Jonathan Larken in 2021, 5-1 at Queen’s and New York. In 2016 James Stout & Jonathan Larken, beat World Title holders, Alex Titchener-Barrett and Christian Portz in a two-legged challenge in November 2016. The first leg was played in London's Queen's Club, and was won by the challengers 4 games to 1. The second occurred in The New York Racquet's and Tennis Club, and was also won by the challengers 2 games to 1, reaching a two match aggregate of six games. There are various tournaments that are hosted in North America and the UK. These are: In North America The Canadian Amateur Championships The US Amateur Championships The US Open The Western Open The Tuxedo Gold Rackets The North American Invitational Singles In the UK The British Amateur Singles The British Amateur Doubles The British Open Singles The British Open Doubles (Separate tournament from Singles, played at a different time of year) The Invitational Singles The Manchester Gold Racket The National Schools Championship - Contested by players still at school in two tournaments, across 3 age groups, Singles and Doubles, both held at Queen's Club. The National Schools Girls Championship - Contested by players still at school in two tournaments, across 2 age groups, Singles and Doubles, both held at Queen's Club. World champions Organised on a challenge basis, the first champion in 1820 was Robert Mackay of England. All championships were closed court, except for an open court series, in 1860. 1820-1824 Robert Mackay 1825-1834 Thomas Pittman 1834-1838 John Pittman 1838-1840 John Lamb 1846-1860 John Charles Mitchell 1860–1862 Francis Erwood 1862-1863 William Hart-Dyke 1863-1866 Henry John Gray 1866-1875 William Gray 1876-1878 Henry B Fairs 1878-1887 Joseph Gray 1887–1902 Peter Latham 1903–1911 Jamsetji Merwanji 1911–1913 Charles Williams 1913–1929 Jock Soutar 1929–1935 Charles Williams 1937–1947 David S Milford 1947–1954 James Dear 1954–1972 Geoffrey Atkins 1972–1973 William Surtees 1973–1975 Howard Angus MBE 1975–1981 William