Murray has been without a coach since splitting from Ivan Lendl in March.
The new technology tracked the pair's movements through a practice session in California.
The two have become close friends since meeting at the Mouratoglou Academy, and plastered Twitter with selfies at the Roland Garros players' party.
It's all in a days work for Grigor Dimitrov and Andy Murray at Roland Garros.
Haas and Svitolina were announced as brand ambassadors in January.
Marion Bartoli forgives John Inverdale, but there are plenty of others who aren't quite ready for that.
The Spanish veteran announced that Roland Garros will be her last tournament in singles.
