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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Ra6 win in 3 half-moves
3 Ra7 win in 9 half-moves
4 Kf7 draw
5 Kf8 draw
6 Ra4 draw
7 Ra8 draw
8 Rb1 draw
9 Rc1 draw
10 Rd1 draw
11 Rf1 draw
12 Kg4 loss in 2 half-moves
13 Kg5 loss in 2 half-moves
14 Kg6 loss in 2 half-moves
15 Kg7 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Kh7 loss in 2 half-moves
19 Kh8 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Re1 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rh1 loss in 2 half-moves