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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Rb1 draw
6 Rc1 draw
7 Rd1 draw
8 Re1 draw
9 Rh2 draw
10 Rh3 draw
11 Rh4 draw
12 Rh5 draw
13 Ka4 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Ka7 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kb7 loss in 2 half-moves
20 Kb8 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rg1 loss in 2 half-moves
23 Rh6 loss in 2 half-moves
24 Rh7 loss in 2 half-moves
25 Rh8 loss in 2 half-moves