While on the first platform, perform a long jump to the left then diagonally spark low into the side of the next platform. This will put Samus into a position where the Metroid will swoop underneath her.

Requires:

"canMetroidAvoid"
{
  "useFlashSuit": {}
}
{
  "shinespark": {
    "frames": 8,
    "excessFrames": 1
  }
}
{
  "or": [
    "canInsaneJump",
    {
      "and": [
        "canTrickyJump",
        "canLateralMidAirMorph"
      ]
    },
    {
      "and": [
        "canTrickyJump",
        "canPreciseWalljump",
        {
          "acidFrames": 16
        }
      ]
    },
    {
      "and": [
        "Gravity",
        {
          "acidFrames": 16
        }
      ]
    },
    {
      "acidFrames": 27
    }
  ]
}

Dev note: This is only useful with a flash suit without Speed Booster.