Dan Evans keen on competing in 'amazing spectacle' without fans.
A slight change in the top three of the ATP Rankings.
Brit impressing again.
Wins for Tsitsipas and Evans in Dubai.
Brit into last four and looking good.
Solid wins for Grigor Dimitrov and Dan Evans.
Dan Evans claims five-set win.
'He's got to keep building,' says Henman.
GB captain Tim Henman ready for "big challenge".