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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ka4 draw
3 Kb4 draw
4 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Ra2 draw
8 Ra5 draw
9 Ra7 draw
10 Rc3 draw
11 Re3 draw
12 Rf3 draw
13 Kc5 loss in 8 half-moves
14 Ka5 loss in 4 half-moves
15 Ka6 loss in 4 half-moves
16 Rb3 loss in 4 half-moves
17 Rd3 loss in 4 half-moves
18 Ra1 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves