Germany’s Tokyo champion Alexander Zverev wilted in the heat as he lost 7-5, 7-5 to Italy’s Lorenzo Musetti in the men’s tennis quarter-finals at the Paris Olympics on Thursday. Zverev, who was dreaming of a second straight single gold, became the last German to be knocked out of the tennis competitions at Roland Garros. Zverev, who had complained about the Paris heat in an earlier round but had a evening match in the last 16, appeared to struggle again in the hot sun as spectators incessantly waved their hand fans at Roland Garros. He even took one fan from a spectator as a joke. Although the…