Complex sentence: In major tournaments, Decugis reached the semi-finals of both the 1911 and 1912 Wimbledon Championships and the 1913 and 1914 World Hard Court Championships and the final of the World Covered Court Championship in 1919.
Split into simpler sentences: In major tournaments, Decugis reached the semi-finals of both the 1911 and 1912 Wimbledon Championships and the 1913 and 1914 World Hard Court Championships. He also reached the final of the World Covered Court Championship in 1919.