Every November, the world’s top eight tennis players meet in London’s O2 Arena for the ATP World Tour Finals – the sport’s most prestigious competition after the four Grand Slams. This is the culmination of the ATP World Tour Masters 1000, which is a nine-stop, year-round global tour for the very best singles and doubles competitors in the men’s game.

Roger Federer, of Switzerland, celebrates after defeating Rafael Nadal, of Spain, in the men’s singles final at the Miami Open tennis tournament, Sunday, April 2, 2017, in Key Biscayne, Fla. (AP Photo/Lynne Sladky)

From October 2017, both competitions will be shown in Sweden and Norway exclusively on MTG’s video streaming service Viaplay and pay-TV channels, with selected matches on MTG’s free-TV channels.