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

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Kg6 draw
3 Kg7 draw
4 Kg8 draw
5 Ra8 draw
6 Rc8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Kb1 loss in 1 half-moves
11 Kb2 loss in 1 half-moves
12 Kc2 loss in 1 half-moves
13 Kd1 loss in 1 half-moves
14 Kd2 loss in 1 half-moves
15 Kh6 loss in 1 half-moves
16 Rb8 loss in 1 half-moves