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 Kd7 draw
6 Ra8 draw
7 Rb8 draw
8 Kd6 loss in 14 half-moves
9 Kd8 loss in 14 half-moves
10 Kc6 loss in 8 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves