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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Rh7 win in 3 half-moves
5 Rh8 win in 3 half-moves
6 Kd8 draw
7 Re6 draw
8 Rf6 draw
9 Rg6 draw
10 Rh1 draw
11 Rh4 draw
12 Rh5 draw
13 Kb8 loss in 4 half-moves
14 Ra6 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rc6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves