Though he won the German national singles title in 1974, Maywald was primarily a doubles specialist.

He was particularly successful internationally in men's doubles with Willi Braun, whose fast forecourt racket complemented Maywald's steady all-court play.

[1] They were thrice semifinalists at the prestigious All-England Championships (1971,1975 and 1976)[2][3][4] and won the U.S. Open men's doubles in 1976.

[5] He also won two bronze medals at the 1972 Munich Olympic Games when badminton was played as a demonstration sport.

Maywald also shared a number of mixed doubles titles in Europe with various partners.