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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Kc6 draw
8 Kc7 draw
9 Kc8 draw
10 Kg8 draw
11 Kh7 draw
12 Ra4 draw
13 Ra5 draw
14 Ra6 draw
15 Ra8 draw
16 Rb3 draw
17 Rc3 draw
18 Rd3 draw
19 Re3 draw
20 Rf3 draw
21 Kg7 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves