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 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb7 win in 1 half-moves
6 Rb8 win in 1 half-moves
7 f7 loss in 2 half-moves
8 Ra6 loss in 1 half-moves
9 Rb2 loss in 1 half-moves
10 Rc6 loss in 1 half-moves
11 Rd6 loss in 1 half-moves
12 Re6 loss in 1 half-moves