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 Rh7 win in 5 half-moves
3 Ka7 draw
4 Kb7 draw
5 Kb8 draw
6 Kd7 draw
7 Kd8 draw
8 Ke8 draw
9 Kf7 draw
10 Kf8 draw
11 Ra1 draw
12 Re1 draw
13 Rf1 draw
14 Rg1 draw
15 Rh5 draw
16 Rh6 draw
17 Kd6 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Kf6 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rd1 loss in 2 half-moves
23 Rh2 loss in 2 half-moves
24 Rh3 loss in 2 half-moves
25 Rh4 loss in 2 half-moves