Roger Federer from Switzerland reacts during the Tennis match against Malek Jaziri from Tunisia in the ATP Tournament in Halle, western Germany, on June 16, 2016. / AFP / CARMEN JASPERSEN (Photo credit should read CARMEN JASPERSEN/AFP/Getty Images)
Roger Federer from Switzerland reacts during the Tennis match against Malek Jaziri from Tunisia in the ATP Tournament in Halle, western Germany, on June 16, 2016. / AFP / CARMEN JASPERSEN (Photo credit should read CARMEN JASPERSEN/AFP/Getty Images)