MADRID, Nov. 21 (Xinhua) -- Canada look to retain the Davis Cup, the world's top-level men's team tennis tournament, having started their title defense in Malaga, Spain on Tuesday.
The Canadian women had won the Billy Jean King Cup, the world's top-level women's team tennis tournament, in nearby Seville a fortnight ago.
Missing Denis Shapovalov for the Davis Cup, Canada captain Frank Dancevic has called u