<p>Last year's runnner-up Dominic Thiem will miss the Australian Open this year as he continues his recovery from a serious wrist injury.</p>.<p>The 28-year-old Austrian has not played since a second-round defeat in Mallorca in June, meaning he was unable to defend his US Open title in September.</p>.<p>There also remains significant doubt about world number one and and nine-time Novak Djokovic's participation as he remains tight-lipped about his Covid-19 vaccination status.</p>.<p>Rafael Nadal, Andrey Rublev and Denis Shapovalov are all recovering after testing positive for the virus in recent weeks.</p>.<p><strong>Watch latest videos by DH here:</strong></p>
<p>Last year's runnner-up Dominic Thiem will miss the Australian Open this year as he continues his recovery from a serious wrist injury.</p>.<p>The 28-year-old Austrian has not played since a second-round defeat in Mallorca in June, meaning he was unable to defend his US Open title in September.</p>.<p>There also remains significant doubt about world number one and and nine-time Novak Djokovic's participation as he remains tight-lipped about his Covid-19 vaccination status.</p>.<p>Rafael Nadal, Andrey Rublev and Denis Shapovalov are all recovering after testing positive for the virus in recent weeks.</p>.<p><strong>Watch latest videos by DH here:</strong></p>