Grand Slam (tennis) tennis ball, Martina Navratilova finally did it." Although the ITF recognizes what is now unofficially known as the "non-calendar year Grand Slam" on its Roll of Honour, no subsequent player to win four or more majors in a row—Steffi Graf, Serena Williams, or Novak Djokovic—has received bonus prize money. Combining "the" Grand Slam and non-calendar year Grand Slam, the total number of times that players achieved the feat (of being the reigning champion in all four majors) expands to 18. Three women have won four or more consecutive major titles since 1970, with Navratilova taking six in a row in
Tennis in Italy this table only those who have reached the top 20 in the world ranking. Eight Italian tennis players played at least the semi-final in a Grand Slam tournament. Seven Italian female tennis players played at least the semi-final in a Grand Slam tournament. Tennis in Italy Tennis in Italy is the 6th sport, with 1,298,000 persons, by number of practitioners. The five successes of Italian tennis player in the Grand Slam tournament regards Nicola Pietrangeli (1959 French Championships and 1960 French Championships), Adriano Panatta (1976 French Open), Francesca Schiavone (2010 French Open) and Flavia Pennetta (2015 US Open). Also the