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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka3 draw
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Ka8 draw
7 Kb3 draw
8 Kb4 draw
9 Kb5 draw
10 Kb6 draw
11 Kb8 draw
12 Kc8 draw
13 Ra1 draw
14 Rc1 draw
15 Rd1 draw
16 Rh2 draw
17 Rh6 draw
18 Rh7 draw
19 Rh8 draw
20 Kc6 loss in 2 half-moves
21 Kc7 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 Rh3 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh5 loss in 2 half-moves