Cameron Norrie ensured Great Britain could bid a fond farewell to the traditional Davis Cup format in Glasgow.
A 3-1 victory against Uzbekistan, achieved with a match to spare thanks to Norrie's 6-2 6-2 6-0 win over Sanjar Fayziev, guaranteed Britain will be seeded when the new-look competition gets under way next year.
There was no relegation at stake but Britain's last World Group play-off win still had plenty of significance.
The tie was the first step on the path to redemption for Dan Evans, back in Great Britain colours for the first time since a 12-month ban imposed for testing positive for cocaine.
The 28-year-old certainly made the most of his chance as he came through a thrilling five-setter on Friday to beat world number 60 Denis Istomin.
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There was redemption, too, for Norrie, the British No.2 who on Friday was two sets ahead and had a match point in the third-set tie-break of his match against Jurabek Karimov, only to choke spectacularly and lose in five. It was a different story for Norrie on Sunday.
Jamie Murray and Dom Inglot's victory over Istomin and Fayziev in the doubles on Saturday gave Britain a 2-1 lead and Norrie the opportunity to make amends for his loss to Karimov.
And the 23-year-old did not disappoint, roaring past Fayziev in less than two hours to wrap up victory.
It was all achieved without British players Andy Murray and Kyle Edmund, who hope to be fit and back in contention next year.
