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 Ke5 draw
5 Ke6 draw
6 Ke7 draw
7 Rc8 draw
8 Rd7 draw
9 Re8 draw
10 Rf8 draw
11 Rg8 draw
12 Rh8 draw
13 Kc5 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ka2 loss in 1 half-moves
18 Kb2 loss in 1 half-moves
19 Ra8 loss in 1 half-moves