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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Rb6 win in 1 half-moves
3 Kb7 win in 3 half-moves
4 Kc7 win in 3 half-moves
5 Kd7 win in 3 half-moves
6 Kd8 win in 3 half-moves
7 Rb4 win in 3 half-moves
8 Rb5 win in 3 half-moves
9 Rb7 win in 3 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves