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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Rh7 win in 5 half-moves
3 Rh8 win in 15 half-moves
4 Kd7 draw
5 Kd8 draw
6 Ke7 draw
7 Kef7 draw
8 Kef8 draw
9 Kf6 draw
10 Kg6 draw
11 Kg8 draw
12 Kgf7 draw
13 Kgf8 draw
14 Kh6 draw
15 Kh7 draw
16 Kh8 draw
17 Rc1 draw
18 Rh5 draw
19 Ra1 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh2 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh4 loss in 2 half-moves