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

EGTB: win in 2 half-moves

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