She participated in the singles event of the Wimbledon Championships from 1930 to 1939, and her best result during this period was reaching the fourth round in 1933 and 1939.

[1] Henrotin also took part in the French Championships, reaching the quarterfinals in the singles on five occasions (1929, 1935, 1936, 1937, 1938).

She was a runner-up in the singles event of the 1933 German Championships after losing the final in straight-sets loss to Hilde Krahwinkel.

In August 1936, she won the singles title at the Eastern Grass Court Championships in Rye, New York with victories against Alice Marble and Helen Pedersen in the semifinals and final respectively.

In January 1937, she won the singles, doubles and mixed-doubles title at the U.S. Indoor Championships.