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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kb6 draw
3 Kb8 draw
4 Kc6 draw
5 Kc8 draw
6 Kd6 draw
7 Kd7 draw
8 Kd8 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb8 draw
15 Rb6 loss in 2 half-moves