Career
In 2010, he lost to Peter O"Malley in a playoff for the New South Wales Open, and then tied for 12th place at the Australian Open. This was followed by victory on the Old Course at Street Andrews in the. Lewis qualified for the 2011 Open Championship at Royal Street George"s via Local Final Qualifying at Rye.
In the first round he shot a five-under-par 65, giving him a share of the lead alongside Thomas Bjørn.
This was the lowest single-round score by an amateur in Open Championship history, and the equal lowest in any major championship. lieutenant made him the first amateur to lead a major after a round since Mike Reid in the 1976 United States. Open and the first amateur to lead the Open Championship since Michael Bonallack in 1968.
Lewis turned professional after the 2011 Walker Cup. He made his professional debut at the Austrian Golf Open in September 2011, shooting a two-over-par 74 in the first round.
He recovered to finish in a tie for tenth.
lieutenant was his third professional start. this list may be incomplete European Tour wins (1) Los Angeles = Low Amateur DNP = did not play CUT = missed the half way cut "T" indicates a tie for a place. Yellow background for top-10. Amateur Jacques Léglise Trophy (representing Great Britain & Ireland): 2008 (winners), 2009 (winners) Eisenhower Trophy (representing England): 2010 Street Andrews Trophy (representing Great Britain & Ireland): 2010 Walker Cup (representing Great Britain & Ireland): 2011 (winners).