2019 Six-red World Championship
... that the winners of the 2019 World Cup doubles snooker event competed as opponents in the final of the 2019 Six-red World Championship?
... that the winners of the <a href="./2019_World_Cup_(snooker)" id="mwBVI" rel="mw:WikiLink" title="2019 World Cup (snooker)">2019 World Cup</a> doubles snooker event competed as opponents in the final of the <b id="mwBVM"><a href="./2019_Six-red_World_Championship" id="mwBVQ" rel="mw:WikiLink" title="2019 Six-red World Championship">2019 Six-red World Championship</a></b>?