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 Ra8 win in 3 half-moves
3 Ra7 win in 5 half-moves
4 Ra1 draw
5 Ra5 draw
6 Rc4 draw
7 Rg4 draw
8 Rh4 draw
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Kee6 loss in 2 half-moves
13 Kee8 loss in 2 half-moves
14 Kef6 loss in 2 half-moves
15 Kef8 loss in 2 half-moves
16 Kfe6 loss in 2 half-moves
17 Kfe8 loss in 2 half-moves
18 Kff6 loss in 2 half-moves
19 Kff8 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kg8 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rd4 loss in 2 half-moves
27 Re4 loss in 2 half-moves
28 Rf4 loss in 2 half-moves