After their 2-0 win over Ireland, when Harmanpreet Singh and PR Sreejesh came into the mixed zone, the first thing that hit was how red their faces had got. A heatwave that is hitting Paris and much of France led to tennis players at Roland Garros being given extra breaks during the match. A fan who attended the hockey match at Yves-du-Manoir Stadium said the heat was “completely crazy for spectators, can only imagine what it was for the players.” An official from the sidelines said electronic devices were heating…