(CNN) — Two-time grand slam champion and former world No. 1 Simona Halep has retired from tennis. The Romanian announced her decision at the Transylvania Open in Cluj, Romania on Tuesday after ...

Simona Halep's former coach, Darren Cahill recently opened up about what he felt was the 'worst coaching moment of his career' and admitted how a strategy he used backfired and left the Romanian tenni ...