Two-time Grand Slam champion Simona Halep announced her retirement from tennis at age 33 after a first-round loss at a tournament in her home country of Romania on Tuesday, ending an injury-filled comeback from a doping suspension. Halep used a microphone to address the crowd in Cluj-napoca, Romania, following her 6-1, 6-1 loss to Lucia Bronzetti in the Transylvania Open.