Top seed Sourav Ghosal crashed out of the men's World junior individual squash championship, losing in the fourth round in Islamabad on Thursday.

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The Indian, the favourite for the title, went down to Basit Ashfaq of Pakistan 5-9, 9-0, 7-9, 6-9 in a thrilling encounter.

Earlier, Ghosal had thrashed Malaysia's Mohd Nafiizwan Adnan 9-2, 9-2, 9-0 in the third round after dumping Australia's Ben Reece 9-3, 9-2, 9-1 in the second.

The other three Indians in the fray went out in the first three rounds.

While Vikas Jangra, who advanced to the third round, lost to Chris Simpson of England 1-9, 4-9, 3-9, A Parthiban went down in the second round to Germany's Simon Rosner 2-9, 2-9, 5-9 and Sandeep Jangra went out in the first round.