Cox struck four minutes from time – and just a few minutes after Derry man James McClean made his proud debut for Ireland.
Former Liverpool player Milan Baros had given the visitors the lead in the 5oth minute with Donegal keeper Shay Given given no chance.
Ireland: Shay Given; Sean St.Ledger, Stephen Ward, John O’Shea, Darren O’Dea; Glenn Whelan [Paul Green ‘63], Aiden McGeady [James McClean ‘78], Keith Andrews, Damien Duff [Stephen Hunt ‘63]; Robbie Keane (c) [Simon Cox ‘71], Shane Long [Jonathan Walters ‘71].
SUBS NOT USED: David Forde, Shane Duffy, Seamus Coleman, Kevin Foley, James McCarthy, Stephen Henderson.
Czech Republic: Petr Cech (c); Theodor Gebreselassie [Frantisek Rajtoral ‘67], Michal Kadlec, David Limbersky, Tomas Sivok; Milan Petrzela [Vaclav Pilar ‘67], Jan Rezek [Tomas Pekhart ‘87], Jaroslav Plasil, Petr Jiracek [Tomas Hubschmann HT]; Jiri Stajner [David Lafata ‘59]; Milan Baros [Daniel Kolar ‘59].
SUBS NOT USED: Jaroslav Drobny, Jan Rajnoch, Daniel Pudil.
Referee: Manuel Jorge Neves Moreira de Sousa (Portugal)