Djokovic 'happy but not the freshest' after Wu battle

Novak Djokovic began his latest quest for a record 25th Grand Slam title with a hard-fought victory over China's Wu Yibing at Wimbledon.

The Serbian tennis star expressed happiness with the win but admitted he was not at his physical peak. This victory marks an important step towards breaking the all-time Grand Slam record, which he currently…