Australia's Jordan Thompson called the ban handed to his U.S. Open-winning doubles partner Max Purcell a "joke", questioning what he said was a lack of consistency in punishments for doping violations. Purcell elected to take a provisional suspension under the International Tennis Integrity Agency's Tennis Anti-Doping Programme, saying he had unknowingly received an IV infusion of vitamins above the allowed limit of 100 millilitres. The ban will keep the twice Grand Slam winner out of next