Baltacha, 30, reached a career-high ranking of 49 in 2010 but injuries and surgery saw her career tail off in recent years and she now sits outside the top 200.
"It just feels it's the right time," Baltacha said in a statement released by the LTA. "My body has taken such a bruising over the last 16 years and that's finally taken its toll. Read more after the cut.
