Final whistle

Before the next [tennis] game begins, the players in each court change partners: and the same routine is followed until the time agreed upon has elapsed, when the final whistle is sounded, scores are added up, and prizes awarded.

Only fifteen minutes now remained before the referee would blow the final whistle, and both teams exerted every effort to gain the mastery.

On December 14 Cornell's green, soph-laden basketball team tasted its first defeat as it fell before an experienced Niagara five. […] The second half Niagara jumped into the lead and held it until the final whistle.

It ended 1–0 to West Ham, and at the final whistle their players were going mad, knowing they were staying up [i.e., not being relegated].

The final whistle prompted a pitch invasion – although there appeared to be an unwanted incident when a supporter seemed to punch Stevenage's Scott Laird, who subsequently fell to the ground.