article_snippet.sent: Martina Navratilova brief stint as coach of 2012 Wimbledon runner-up Martina Navratilova is finished.
article_snippet.sent: Navratilova, who won 18 Grand Slam singles titles as a player, and Poland's Radwanska, who is currently ranked No 9, issued statements on Friday to announce the parting.
article_snippet.sent: Martina Navratilova announced in December that Martina Navratilova would work together.
article_snippet.sent: Martina Navratilova watches Martina Navratilova in action during this year's Australian Open .
article_snippet.sent: Martina Navratilova has struggled Martina Navratilova and was knocked out in the first round in Stuttgart this week .
article_snippet.sent: Martina Navratilova is only 13-11 Martina Navratilova, including a first-round loss on Wednesday in a clay-court tournament at Stuttgart, Germany.
article_snippet.sent: A statement posted to Martina Navratilova's Twitter account thanks Martina Navratilovafor Martina Navratilova time and efforts over these last few months' and calls Martina Navratilova a 'great experience to work with one of the all time greats.'
article_snippet.sent: The post adds that the women 'agreed that as Martina Navratilova could not commit 100 (percent) to the project then it was not going to work as a long term partnership.'
article_snippet.sent: Martina Navratilova plays a forehand during Martina Navratilova defeat by Sara Errani at the Porsche Grand Prix on Wednesday .
highlights_snippet.sent: Martina Navratilova could not commit '100 per cent to the project'
  
highlights_snippet.sent: Martina Navratilova is struggling for consistency Martina Navratilova .
  