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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Kc6 win in 5 half-moves
5 Rh8 win in 5 half-moves
6 Rd8 win in 7 half-moves
7 Kb7 draw
8 Kb8 draw
9 Kd8 draw
10 Rf8 draw
11 Ra8 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves