It could take years to turn down volume of grunting

Tennis authorities will tackle the perennial problem of grunting players - but it could take years to turn down the volume.

So do not throw the earplugs away quite yet and if your daughter is a 4-year-old tennis prodigy, make sure she keeps the noise down.

Talks are underway to arm umpires with handheld "grunt-o-meters" on court, so that they can assess how loud shrieks are.