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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb3 win in 1 half-moves
4 Rb4 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 d8=B loss in 2 half-moves
8 d8=K loss in 2 half-moves
9 d8=N loss in 2 half-moves
10 d8=Q loss in 2 half-moves
11 d8=R loss in 2 half-moves
12 Ra7 loss in 1 half-moves
13 Rb5 loss in 1 half-moves
14 Rc7 loss in 1 half-moves