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