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

EGTB: win in 1 half-moves

# move score
1 Rxb5 win in 41 half-moves
2 K4xb5 loss in 2 half-moves
3 K6xb5 loss in 2 half-moves
4 Rxh2 loss in 2 half-moves