Citation :
According to Peter Irwin, Hawk-Eye’s director of tennis, the system installed in Paris is “exactly the same system” installed elsewhere. Though it is being used for second-guessing on television, Irwin said that the system had not been optimized for official use and that it had never been officially tested on clay by the game’s governing bodies.One of the issues is the shifting clay-court surface.
“One thing that’s integral to our system is we measure the court, but we also measure the undulations in the ground,” Irwin said. “So when you play on clay, obviously the ground is constantly changing, so that would require a lot more work from our side. We would constantly have to recalibrate the system if it were to be used for officiating. “On a hardcourt, we do it once at the start of the tournament because the surface doesn’t change. On grass, we do calibrate constantly throughout, but clay is just a lot more change.”
According to Irwin, it would take about 30 minutes of maintenance work after each match on court to put the system back in peak working order, a delay that would be a problem with a busy Grand Slam order of play.
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