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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Kb7 draw
4 Kb8 draw
5 Kc5 draw
6 Kc6 draw
7 Kcc7 draw
8 Kcd7 draw
9 Kd8 draw
10 Kdc7 draw
11 Kdd7 draw
12 Ke6 draw
13 Ke7 draw
14 Ra1 draw
15 Rh6 draw
16 Rh8 draw
17 Kd5 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rc1 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