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

EGTB: win in 4 half-moves

# move score
1 Rh8 win in 3 half-moves
2 Kd7 win in 9 half-moves
3 Rh5 win in 11 half-moves
4 Kb8 draw
5 Kc7 draw
6 Kd8 draw
7 Kf4 draw
8 Kf5 draw
9 Kf6 draw
10 Kg4 draw
11 Kg6 draw
12 Kh4 draw
13 Kh5 draw
14 Kh6 draw
15 Rc1 draw
16 Rd1 draw
17 Re1 draw
18 Rf1 draw
19 Rg1 draw
20 Rh6 draw
21 Kb7 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rh2 loss in 2 half-moves
25 Rh3 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh7 loss in 2 half-moves