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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Rc6 draw
9 Rd6 draw
10 Re1 draw
11 Re2 draw
12 Re3 draw
13 Re4 draw
14 Re5 draw
15 Re7 draw
16 Rf6 draw
17 Rh6 draw
18 Kd7 loss in 2 half-moves
19 Kd8 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg6 loss in 2 half-moves