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 Kab6 draw
3 Kab7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kcb6 draw
8 Kcb7 draw
9 Kd6 draw
10 Kd8 draw
11 Ka5 loss in 1 half-moves
12 Kb5 loss in 1 half-moves
13 Kd7 loss in 1 half-moves
14 Rb7 loss in 1 half-moves