What's next for unpredictable Serena?

Serena Williams rolled back the years as she treated the lucky ticket holders on Centre Court and the millions more watching on TV to a night of pure drama at Wimbledon in her comeback match on Tuesday evening.

The 44-year-old eventually ran out of gas against 20-year-old Maya Joint but only after she gave a glimpse of what everyone has been missing over the last four years.