What does the Durban World Table Tennis Championships r 128 mean?

World Table Tennis Championships Men's Singles First Round (Durban). The World Table Tennis Championships in Durban r 128 refers to the first round of men's singles in the World Table Tennis Championships (Durban). * * There are 128 contestants, called R 128(Roundof 128), which is the preliminary stage of the competition. At this stage, each player needs to play a game, the winner advances to the next round, and the loser is eliminated. R 128 is an important part of Durban stage, because the subsequent stages of the competition are based on this stage.