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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kb1 draw
3 Kd5 draw
4 Kd6 draw
5 Kd7 draw
6 Ke7 draw
7 Kf5 draw
8 Kf6 draw
9 Kf7 draw
10 Rc8 draw
11 Rd8 draw
12 Re7 draw
13 Rf8 draw
14 Rg8 draw
15 Rh8 draw
16 Ka2 loss in 1 half-moves
17 Kb2 loss in 1 half-moves
18 Ke5 loss in 1 half-moves
19 Ra8 loss in 1 half-moves