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

EGTB: win in 1 half-moves

# move score
1 Rxb2 win in 39 half-moves
2 Kaxb2 loss in 2 half-moves
3 Kcxb2 loss in 2 half-moves
4 Rxe7 loss in 2 half-moves