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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kb4 draw
3 Kb6 draw
4 Kc5 draw
5 Kc6 draw
6 Ra3 draw
7 Ra5 draw
8 Rb8 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Kc4 loss in 20 half-moves
13 Ka6 loss in 8 half-moves
14 Ka4 loss in 6 half-moves
15 Ka5 loss in 6 half-moves
16 Rf8 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves