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 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb4 draw
7 Rb6 draw
8 Rc6 draw
9 Rd6 draw
10 Re6 draw
11 Rf6 draw
12 Ra4 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves