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 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Kc6 draw
7 Kc8 draw
8 Kd6 draw
9 Kd7 draw
10 Kd8 draw
11 Kf6 draw
12 Kf7 draw
13 Kf8 draw
14 Kg6 draw
15 Kg8 draw
16 Kh6 draw
17 Kh7 draw
18 Kh8 draw
19 Ra4 draw
20 Ra5 draw
21 Ra7 draw
22 Re3 draw
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Rc3 loss in 2 half-moves
27 Rd3 loss in 2 half-moves
28 Rf3 loss in 2 half-moves
29 Rg3 loss in 2 half-moves
30 Rh3 loss in 2 half-moves