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

EGTB: win in 2 half-moves

# move score
1 Rh7 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc5 draw
5 Kd5 draw
6 Kd6 draw
7 Ra7 draw
8 Rb7 draw
9 Rd7 draw
10 Kd7 loss in 6 half-moves
11 Kb5 loss in 4 half-moves
12 Rc8 loss in 4 half-moves
13 Re7 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves