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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Kd7 win in 5 half-moves
3 Kd8 win in 5 half-moves
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc6 draw
8 Kc8 draw
9 Kd6 draw
10 Kg7 draw
11 Kg8 draw
12 Kh7 draw
13 Ra4 draw
14 Ra6 draw
15 Ra7 draw
16 Rb5 draw
17 Rc5 draw
18 Rd5 draw
19 Re5 draw
20 Rf5 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh5 loss in 2 half-moves