Cameron Norrie beat Dan Evans 7-6 (7-5) 7-6 (8-6) to record his second straight win over the British number one at the Battle of the Brits team competition.
Evans' emotions boiled over at times - bouncing his racquet off the court, dislodging a microphone and celebrating a net-cord point during the first set.
The 30-year-old was then 5-1 up and had set point in the second set before Norrie fought back to seal a great win.
Victory gives the British Bulldogs side a 22-11 lead over the Union Jacks.
British number three Norrie, 24, said: "It was tough.