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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Ka6 draw
3 Kb1 draw
4 Kb2 draw
5 Kb6 draw
6 Kc2 draw
7 Kd1 draw
8 Kd2 draw
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves