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 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb4 draw
7 Kb6 draw
8 Kb7 draw
9 Kb8 draw
10 Rb1 draw
11 Rc1 draw
12 Rd1 draw
13 Re2 draw
14 Re6 draw
15 Re7 draw
16 Re8 draw
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rg1 loss in 2 half-moves
25 Rh1 loss in 2 half-moves