Germany’s Olympic champion Alexander Zverev continued his quest for a maiden grand slam title with a 6-3, 6-4, 6-4 win over Moldova’s Radu Albot on Friday to reach the last 16 of the Australian Open despite not feeling his best. “I did not feel perfect – but who is perfect?” said Zverev in his on-court interview. “In the end I’ve won and I’m happy about it.” The 24-year-old third seed Zverev is yet to drop a set in Melbourne and will meet Canada’s Denis Shapovalov for a place in the quarter-finals. He will almost certainly need to be sharper, however, if he is to reach the last eight. “I think…