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 Ra6 win in 3 half-moves
3 Ra7 win in 3 half-moves
4 Ra3 draw
5 Ra4 draw
6 Ra8 draw
7 Rc2 draw
8 Rd2 draw
9 Re2 draw
10 Rf2 draw
11 Kd5 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke5 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Kf7 loss in 2 half-moves
19 Kg5 loss in 2 half-moves
20 Kg6 loss in 2 half-moves
21 Kg7 loss in 2 half-moves
22 Kh5 loss in 2 half-moves
23 Kh7 loss in 2 half-moves
24 Ra1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves