Requires running a precise distance of 7 tiles with no open end in the adjacent room, to hit a peak of the speed vs height graph (at extra run speed $2.0 or $2.1). This needs a last-frame Space Jump in the previous room. At the lower of the two possible speeds ($2.0), the jump must be done very low through the door; at the higher speed ($2.1) there is a relatively large window of vertical positions that work.

Entrance condition:

{
  "comeInSpaceJumping": {
    "speedBooster": true,
    "minTiles": 6.4375
  }
}

Requires:

"canTrickyDashJump"
"canPreciseSpaceJump"
"canInsaneJump"
"canCrossRoomJumpIntoWater"
"canMomentumConservingTurnaround"
"canDownGrab"