Johanna Konta fought back from a set down to clinch a spirited victory over Greece for Great Britain in their Fed Cup round-robin tie.
The British number one gave the hosts an unassailable 2-0 lead before the doubles rubber as she beat Maria Sakkari 4-6 6-2 6-3.
Earlier, Britain's Katie Boulter survived a scare to beat Greece's Valentini Grammatikopoulou 6-3 4-6 6-3.
The result means GB will top Group A if they beat Hungary on Friday.
More to follow.