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 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rb6 win in 1 half-moves
6 Rb7 win in 1 half-moves
7 Ka7 draw
8 Kab7 draw
9 Kc7 draw
10 Kcb7 draw
11 Kd7 draw
12 Kd8 draw
13 Rb3 loss in 1 half-moves