Vintage tennis: Wimbledon men's semi-finalists break age record

Federer, Berdych, Marin Čilić and Querrey are oldest group of players to reach last four since start of open era in 1968

Age is but a number – but one that is usually closely watched, and dreaded, in elite tennis. Yet this year’s Wimbledon has proved that older players can produce vintage tennis, with the men’s semi-finalists comprising the oldest group of players to reach the last four since the beginning of the open era in 1968.A rejuvenated Roger Federer, who is playing as though he has discovered the secret elixir of life, is, at 35, the oldest man to reach a semi-final since Ken Rosewall in 1974.At 37, Ven...