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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ka7 draw
3 Kb6 draw
4 Kb8 draw
5 Kc6 draw
6 Kc7 draw
7 Kc8 draw
8 Ra3 draw
9 Ra5 draw
10 Ra7 draw
11 Ra8 draw
12 Re6 draw
13 Rf6 draw
14 Rg6 draw
15 Rh6 draw
16 Ka8 loss in 26 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves