Welcome back to the Monday Tennis Briefing, where The Athletic will explain the stories behind the stories from the past week on court. This week, electronic line calling once again caused chaos on clay, a strange Madrid Open provided winning memories, and the wearable tech arms race evolved. If you’d like to follow our fantastic tennis coverage, click here. Did arguments over electronic line calling actually represent a step forward? The electronic line calling (ELC) system is the letter of the
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