Question 1: Who did Katie Boulter defeat to help Great Britain advance to the semi-finals of the Billie Jean King Cup?
Answer: Katie Boulter defeated Canadian No 1 Leylah Fernandez with a score of 6-2, 6-4.
Question 2: What was the significance of Boulter's match against Fernandez?
Answer: Boulter's match was significant as she was facing the defending champion from the previous year's Billie Jean King Cup, where Fernandez had led Canada to victory.
Question 3: How did Emma Raducanu perform in her match against Canada?
Answer: Emma Raducanu won her match against Marino with a score of 6-0, 7-5, contributing to Great Britain's overall victory.
Question 4: What was the outcome of the tie between Great Britain and Canada in the Billie Jean King Cup?
Answer: Great Britain won the tie against Canada with a commanding 2-0 victory, securing their place in the semi-finals.