What was Rick Rude's final match in WWE?

October 1, 1990 in a non-televised match against Hacksaw Jim Duggan..Rude lost by disqualification.

His last televised match was taped on September 21, 1990 against Hacksaw Jim Duggan and lost by disqualification for hitting the referee. This match aired on WWF Primetime Wrestling on October 22, 1990. Five days later October 27, 1990 on WWF Superstars of Wrestling is when WWF "President" Jack Tunney announced Rick Rude was "indefinetly suspended from the WWF for making mean comments about the Big Bossman's mom. This Superstars taping took place on October 8, 1990 after Rick Rude one week after his last match. Rude and Bossman were supposed to start a feud but it never happened.