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 Ra6 win in 5 half-moves
4 Ra8 win in 9 half-moves
5 Ra3 draw
6 Ra4 draw
7 Rb2 draw
8 Rf2 draw
9 Rg2 draw
10 Rh2 draw
11 Kd5 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kee5 loss in 2 half-moves
15 Kee7 loss in 2 half-moves
16 Kef5 loss in 2 half-moves
17 Kef7 loss in 2 half-moves
18 Kfe5 loss in 2 half-moves
19 Kfe7 loss in 2 half-moves
20 Kff5 loss in 2 half-moves
21 Kff7 loss in 2 half-moves
22 Kg5 loss in 2 half-moves
23 Kg6 loss in 2 half-moves
24 Kg7 loss in 2 half-moves
25 Ra1 loss in 2 half-moves
26 Rc2 loss in 2 half-moves
27 Rd2 loss in 2 half-moves
28 Re2 loss in 2 half-moves