Later that year they also won the US Championships doubles title defeating Americans Don Budge and Gene Mako in three straight sets.

[8] In March 1937 he became the singles champion at the Cairo International Championships defeating Giorgio de Stefani in the final in straight sets and also won the doubles title partnering Von Cramm.

[9] Later that year he won the singles title at the German Championships after a five-sets victory in the final over Vivian McGrath.

[citation needed] Between 1934 and 1939 Henkel played 66 matches for the German Davis Cup team in 27 ties.

[11] Since 1950 the German junior team championship has been called the "Große Henner Henkel-Spiele" and since 1963 a commemorative tournament, "Henner-Henkel-Gedächtnisturnier", has been held in Erfurt.