Serena Williams sees IPTL as training for next season

US tennis star Serena Williams played in the International Premier Tennis League (IPTL) second leg in Manila on 6 December and said it was good preparation for next season. Williams won her singles match for the Philippine Mavericks, her first competitive game since being knocked out of the US Open in September by unseeded Robert Vinci. After Sundays play Williams told journalists the match helped her shape up. Dec 7, 2015