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 Kc6 draw
4 Kc7 draw
5 Kc8 draw
6 Kd6 draw
7 Ke6 draw
8 Ke7 draw
9 Ke8 draw
10 Rc8 draw
11 Re8 draw
12 Rf8 draw
13 Rg8 draw
14 Rh8 draw
15 Ka2 loss in 1 half-moves
16 Kb2 loss in 1 half-moves
17 Ra8 loss in 1 half-moves