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 Kd1 draw
3 Kd2 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Ke2 draw
8 Kf7 draw
9 Kf8 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Rf8 draw
14 Ke6 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves