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 Kee6 draw
6 Kef6 draw
7 Kef8 draw
8 Kfe6 draw
9 Kff6 draw
10 Kff8 draw
11 Kg6 draw
12 Kg7 draw
13 Kg8 draw
14 Rd8 draw
15 Rf8 draw
16 Rg8 draw
17 Rh8 draw
18 Ra8 loss in 1 half-moves
19 Rc8 loss in 1 half-moves