The final of the 2021-23 ICC World Test Championship is set to be held at The Oval in London in June this year. Although there are no definite finalists, for now, we have a clear picture of who is well on course to make it to the final. Currently, the most likely candidates are Australia, India, South Africa and Sri Lanka, while defending champion New Zealand is all set to miss out. Therefore, what do the sides in contention need to do to make it to the final? We look at their qualification scenarios here and the dark horse, who has an outside chance of making it.