Croatia 2 Argentina 1

Marin Cilic/Ivan Dodig (CRO) bt Juan Martin del Potro/Leonardo Mayer (ARG) 7-6 (7/2), 7-6 (7/4), 6-3

Friday

Marin Cilic (CRO) bt Federico Delbonis (ARG) 6-3, 7-5, 3-6, 1-6, 6-2

Juan Martin del Potro (ARG) bt Ivo Karlovic (CRO) 6-4, 6-7 (6/8), 6-3, 7-5

Playing Sunday (from 1300)

Marin Cilic (CRO) v Juan Martin del Potro (ARG)

Ivo Karlovic (CRO) v Federico Delbonis (ARG)