Play was suspended at the Madrid Open the afternoon of April 28 before being canceled for the day and night, due to a power outage across Spain and the Iberian Peninsula. The loss of power meant that the electronic line calling (ELC) system used to judge whether a shot has landed in or out did not work,

Officials for the Madrid Open cancelled Monday's play amid a blackout in Spain that impacted the tournament's facilities. The blackout caused a number of logistical problems at Caja Mágica with the scoreboards going dark and the loss of lighting to help fans navigate the venue:

According to reports, two singles matches and one doubles match at the ATP Masters 1000 event were underway when the outage occured, at 12:34 p.m. local time (CEST), forcing a suspension of play.