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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra7 win in 5 half-moves
3 Rc3 win in 5 half-moves
4 Rd3 win in 5 half-moves
5 Ra8 win in 11 half-moves
6 Kc6 draw
7 Kc7 draw
8 Kc8 draw
9 Kd6 draw
10 Kd8 draw
11 Ke6 draw
12 Ke7 draw
13 Ke8 draw
14 Kg6 draw
15 Kg7 draw
16 Kh7 draw
17 Ra4 draw
18 Ra5 draw
19 Rb3 draw
20 Rh3 draw
21 Kg5 loss in 2 half-moves
22 Kh5 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rg3 loss in 2 half-moves