Tandon, with a low world ranking of 201, toppled world no. 18 Golan in an 89-minute gruelling duel on the flood-lit all-glass court especially set-up at the Brabourne Stadium lawns.
Tandon rallied from 1-2 to win 11-8 7-11 6-11 11-6 11-8.
Third seed and India no. 1 Saurav Ghosal defeated Joel Makin of Wales 11-6 11-8 6-11 11-2 to join Tandon in the last four of the PSA event. Ghosal beat Makin in 59 minutes.
"This is big for Ramit and for the Indian Squash Circuit. It will give a huge boost to his confidence as well as his world ranking. Superb performance, beating Borja in five games," said Ritwik.
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