Hitting 193 km/h at 44, Serena Williams' tennis return steals the show - Watch

After nearly four years away, Serena Williams made a winning return to professional tennis at Queen's Club, partnering Victoria Mboko in doubles. The 44-year-old fired serves up to 193 km/h as the pair beat third seeds Nicole Melichar-Martinez and Erin Routliffe 7-6 (2), 6-2. Williams praised Mboko after the victory, while the teenager called it an honour to play alongside the tennis legend.