Eurosport - Wed, 07 Jan 13:51:00 2009 World number five Nikolay Davydenko will miss the Australian Open later this month after aggravating a heel injury. More StoriesDjokovic handed Sydney wildcard Davydenko, top seed at the $450,000 ATP Chennai event, said he will consult doctors before deciding when he can return to the circuit. "I am pulling out both the Chennai Open and the Australian Open because my left heel has been very painful over the last few days," the 27-year-old Russian said. "I will see specialists before I can say when I will return to the circuit. "The pain in the left heel started last year. It also bothered me during the Masters Cup in Shanghai in November where I reached the final. "Last week when I was in Abu Dhabi, the pain became worse. Now I cannot run, so there is no way I can play tennis. "There is no pain when I am not playing. But if I play for a few days, it increases. I don't know what is happening. "I need to get my heel checked. So there was no way I can play at the Australian Open. "I usually do not miss big tournaments, but the pain left me with no option to miss Chennai and Australia." The Australian Open, the first Grand Slam of the year, is due to start in Melbourne on January 19. Davydenko finished among the top five for the fourth consecutive year in 2008, but failed to make the quarter-finals of any of the four Grand Slam events for the first time since 2004.