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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Kb3 win in 5 half-moves
3 Kb4 win in 5 half-moves
4 Kb7 win in 5 half-moves
5 Kb8 win in 5 half-moves
6 Ra8 win in 5 half-moves
7 Ka4 win in 9 half-moves
8 Re8 win in 9 half-moves
9 Ka2 draw
10 Kb2 draw
11 Kb6 draw
12 Kc6 draw
13 Kd6 draw
14 Kd7 draw
15 Kd8 draw
16 Rd8 draw
17 Rf8 draw
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves