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

EGTB: loss in 1 half-moves

# move score
1 Nxb4 loss in 2 half-moves
2 Qxb4 loss in 2 half-moves
3 Qxg4 loss in 2 half-moves
4 Rxb4 loss in 2 half-moves