The 22-year-old Londoner said it had been hardtoturn his back on the chance to compete in an Olympics in his home city but conceded that money was a factor.
"The impact on Iran's economy is already here and it's hardto see how Iran can turn things back, " said Fereydoun Khavand, a Paris-based economist and Iran expert.
Our government has a right to protect all its citizens, especially those that live in such hard climates, we can not turn our back on them and just "give them up".
After the the Davis Cup, both players then turn their attentions to the hard-court season in the United States, but Skupski says they can look back at their performances on grass with a sense of pride.