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