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 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Ke6 draw
6 Ke8 draw
7 Kf6 draw
8 Kf7 draw
9 Kf8 draw
10 Ra2 draw
11 Ra3 draw
12 Ra4 draw
13 Ra5 draw
14 Ra6 draw
15 Ra7 draw
16 Rc8 draw
17 Re8 draw
18 Rf8 draw
19 Rg8 draw
20 Ra1 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves