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 Kb7 draw
4 Kc5 draw
5 Kd5 draw
6 Kd6 draw
7 Kd7 draw
8 Rb7 draw
9 Re7 draw
10 Rf7 draw
11 Rg7 draw
12 Rh7 draw
13 Kb5 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd7 loss in 2 half-moves