Lewes results just in. Tories lost all 18 of their seats. Greens now biggest group, just ahead of Lib Dems.Sadly, I don't see the Tories losing Wealden at a GE because the answer to the question you pose is likely to be no.
Ghani received over 60% of the votes, so it'll take a massive drop AND for non-Tory voters to coalesce behind one party for there to be change. Would Labour step aside? Unlikely as they were only a few percent behind the LibDems, who realistically would be the only party likely to attract significant numbers of deserting Tory voters.
Meanwhile, next door in Lewes, my MP Maria Caulfield is toast for sure, with a majority under 2,500!