Milos Raonic secured Canada's spot in the elite 16-team Davis Cup World Group for the fourth consecutive year.
The hard-serving 23-year-old from Thornhill, Ont., defeated Colombia's Santiago Giraldo 6-1, 7-6, 7-5 to give Canada an insurmountable 3-1 lead in the best-of-five series.
Earlier in the week Raonic had beaten Alejandro Gonzales and Vasek Pospisil defeated Gira
Colombia won their only point of the Davis Cup tie in doubles on Saturday when Juan Sebastian Cabal and Robert Farah topped Pospisil and Daniel Nestor.
The draw that will determine Canada's opponent in the 2015 World Group will be held in Dubai on Thursday, Sept. 18.