Serena Williams planning tennis comeback at 44.

The 23-time grand slam singles champion will seek a doubles wildcard at the upcoming Queen's WTA 500 event, alongside Victoria Mboko, the 19-year-old Canadian who is ranked No 19 in singles. The news come courtesy of The Served podcast, hosted by the former world No 1 Andy Roddick and the veteran journalist L Jon Wertheim. Williams has been back in the drug testing pool for six months, so there is no impediment to her comeback at the age of 44. The news follows months of speculation about her possible return.