When players were disqualified for on-court misconduct

World number one Novak Djokovic was sensationally disqualified in the US Open fourth round on Sunday after striking a line judge with a ball following a point during the first set of his match......

Czechs set Davis Cup record as Serbia cruise

Holders Czech Republic showed how tenaciously they will fight to retain the Davis Cup on Saturday, while five-times champions Spain avoided being knocked out in the first round for the first time......