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 Ra7 win in 3 half-moves
3 Rg8 win in 5 half-moves
4 Kc6 win in 7 half-moves
5 Kc7 win in 7 half-moves
6 Kd5 draw
7 Kd7 draw
8 Ke5 draw
9 Ke6 draw
10 Ke7 draw
11 Kg5 draw
12 Kg6 draw
13 Kg7 draw
14 Kh5 draw
15 Kh7 draw
16 Ra3 draw
17 Ra4 draw
18 Ra6 draw
19 Rb8 draw
20 Rd8 draw
21 Rf8 draw
22 Rh8 draw
23 Kc5 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Ra2 loss in 2 half-moves
26 Rc8 loss in 2 half-moves
27 Re8 loss in 2 half-moves