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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kd6 draw
6 Kd7 draw
7 Kd8 draw
8 Rb8 draw
9 Rd8 draw
10 Re8 draw
11 Rf8 draw
12 Kc6 loss in 4 half-moves
13 Rg8 loss in 2 half-moves
14 Rh8 loss in 2 half-moves