The fourth tournament, official name: SASUKE1999秋 (literally SASUKE 1999 Autumn), is statistically the most successful tournament in SASUKE history, in which many records were set.
In Third Stage, two new obstacles were introduced: Arm Bike and Cliffhanger.
100 competitors take on the first stage of Mount Midoriyama.
The remaining competitors take on the second and third stage of Mount Midoriyama.
The remaining competitors take on the third and final stage of Mount Midoriyama