Click on the third or sixth rank to set the en passant target square.

EGTB: loss in 1 half-moves

# move score
1 Rdxb6 loss in 4 half-moves
2 Bxb6 loss in 2 half-moves
3 Rbxb6 loss in 2 half-moves
4 Rxd8 loss in 2 half-moves