The Guardian · business

‘They disturb the game’: how betting fans are taking over tennis courts

Jeering and heckling are increasingly commonplace, even at grand slams, as spectators try to influence matches Midway through the first week of the US Open a couple of years ago, Jiri Lehecka’s attempts to find his form…

If you want the whole piece, that’s at the paper. We only keep the nut graf.