Djokovic, 33, looked horrified after the incident, but argued his case with officials as the World No 1 - chasing his 18th Grand Slam title - pleaded not to be disqualified. <br /> <br />According to reports courtside, he said: "She doesn't have to go to the hospital for this. You're going to choose a default in this situation? My career, grand slam, centre stage" <br /> <br />Djokovic later apologised in a statement on Instagram, writing: "This whole situation has left me really sad and empty. <br /> <br />"I checked on the lines person and the tournament told me that thank God she is feeling ok. <br /> <br />"I‘m extremely sorry to have caused her such stress. So unintended. So wrong. I’m not disclosing her name to respect her privacy. <br /> <br />"As for the disqualification, I need to go back within and work on my disappointment and turn this all into a lesson for my growth and evolution as a player and human being.
