Former helicopter pilot Noam Gershony won the Quad Singles final at Eton Manor in two sets, beating top seed David Wagner of the USA 6-3 6-1.
He successfully wrapped up his first Paralympics - where he had said he was playing to win - with victory in under an hour.
He said: 'Wow, this feeling is almost unbearable. I don't know how to describe it. I haven't realised yet that I have just won gold. It's crazy.
'There was so much pressure to bring home the gold because I knew I could do it. I barely slept last night. I'm just happy to have made it.'
Nick Taylor, also of the USA, won the bronze in the category yesterday.
Japan take away men's Singles gold after Shingo Kunieda beat France's Stephane Houdet in two sets - 6-4 6-2.
Bronze went to Ronald Vink of the Netherlands after he beat compatriot Maikel Scheffers in a hard-fought game 4-6 7-6 (5) 6-4.
The Netherlands' record-breaker Esther Vergeer and partner Marjolein Buis won the women's Doubles after defeating compatriots Jiske Griffioen and Aniek van Koot 6-1 6-3.
Vergeer said: 'I did not expect a final like this - we expected a way more difficult final in three sets maybe and a hard fight.
'But actually we played amazing. And as we got closer to the victory we thought "is this really going to happen?" We looked at each other and we could not believe it.'
Great Britain secured the women's Doubles bronze yesterday.