Efangwu Goziem \"Efan\" Ekoku (born 8 June 1967, in Cheetham Hill, Greater Manchester), is an English born Nigerian former footballer who played as a striker. During his club career, he played for Sutton United, Bournemouth, Norwich City, Wimbledon, Grasshopper, Sheffield Wednesday and Dublin City. He scored Norwich\s first ever goal in European competition, against Vitesse in the UEFA Cup on 15 September 1993. Just 10 days later he scored four goals as Norwich beat Everton 5-1 at Goodison Park, becoming the first player to score more than three goals in a Premier League game. Whilst in Sheffield he scored both of Wednesday\s goals against bitter rivals Sheffield United in the derby match on 1 November 2000. He has obtained all of his FA and UEFA coaching badges. His brother, Abi Ekoku, is a former British discus champion and also played professional rugby league for the club then
Who is the greatest grass court player?