Argentina and Czech Republic level at 1-1 in Davis Cup

Tomas Berdych produced a remarkable comeback to draw the Czech Republic level with Argentina in their Davis Cup semi-final.

The US Open semi-finalist was two games away from defeat in the fourth set after opponent Juan Monaco had opened a two-sets-to-one lead.

However, Berdych battled back to win 6-1 4-6 1-6 6-4 6-4 and retain the Czech Republic's hopes of making the final.

Juan Martin del Potro had earlier defied medical advice on a wrist injury to beat Radek Stepanek 6-4 6-4 6-2 and earn an early lead for Argentina.