ATP ANNOUNCES 2019 ATP WORLD TOUR CALENDAR (January 30, 2018) ATP World Tour -LONDON — The ATP has released the 2019 ATP World Tour calendar, a tournament schedule that will feature 63 tournaments in 31 countries across six continents, in addition to the four Grand Slams. The 2019 calendar offers a continuation of the existing tournament structure and schedule that, since … [Read more...] about ATP Announces 2019 ATP World Tour Calendar