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 Kg6 draw
3 Kg7 draw
4 Kg8 draw
5 Rb8 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Ka1 loss in 1 half-moves
11 Ka3 loss in 1 half-moves
12 Kb1 loss in 1 half-moves
13 Kb2 loss in 1 half-moves
14 Kb3 loss in 1 half-moves
15 Kh6 loss in 1 half-moves
16 Rc8 loss in 1 half-moves