Andy Murray first British man to do so since 1937. Their most recent match was played in the first round of the 2018 Eastbourne International, which Murray won in straight sets. Due to this match-up and since both players each have three Grand Slam titles, Wawrinka has been identified by some, including Djokovic, as a potential contender to turn the Big Four tennis quartet into a "Big Five", although Wawrinka himself has downplayed those suggestions, stating that he is still far behind them. Murray plays an all-court game with an emphasis on defensive baseline play, and professional tennis coach Paul Annacone stated
Grand Slam (tennis) For instance, when Rafael Nadal was on the verge of completing a non-calendar year Grand Slam at the 2011 Australian Open, one writer observed, "Most traditionalists insist that the 'Grand Slam' should refer only to winning all four titles in a calendar year, although the constitution of the International Tennis Federation, the sports governing body, spells out that 'players who hold all four of these titles at the same time achieve the Grand Slam'." This was true until later in 2011, when the ITF edited the description to eliminate all confusion. As it now stands, "The Grand Slam titles are