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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc1 draw
6 Kc6 draw
7 Kd8 draw
8 Ke1 draw
9 Ra8 draw
10 Rb8 draw
11 Rd8 draw
12 Kc2 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves