Golubev took a tough five-set match Friday that put Kazakhstan up 2-0 in the best-of-five series but Belgium won Saturday doubles match and David Goffin outlasted Mikhail Kukushkin 4-6, 6-3, 3-6, 6-4, 6-0 in Sundays first singles match to even the series at 2-2.
But Golubev, showing no ill effects from the 4 1/2-hour battle against Goffin Friday, beat Ruben Bemelmans 6-2, 6-3, 6-1 to claim the series.
The Kazakhs advance to the Davis Cup quarterfinals in April against Switzerland, which won the first three matches of its series this weekend against Serbia.
Goffin kept Belgium's chances alive with his 3-hour, 16-minute win over Kukushkin. He controlled the fifth set, taking nearly two-thirds of the points with 22 winners among his 31 points won. Goffin was on the court for nearly 8 hours in his two matches this weekend.
Sunday was a much shorter appearance for Golubev as he took out Bemelmans in 1 hour, 39 minutes. He finished of the match with a break -- his sixth of the day -- and won his third try at match point.
Golubev won 73 percent of the points on serve and didn't face a break point after the first set. He won 80 percent of the points when he landed his first serve. He was 5-of-6 in break points until the final game when Bemelmans fought off two match points before Golubev completed the win.