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 Kef7 win in 9 half-moves
3 Kgf7 win in 9 half-moves
4 Kef8 win in 13 half-moves
5 Kd7 draw
6 Kd8 draw
7 Ke7 draw
8 Kg7 draw
9 Kgf8 draw
10 Kh7 draw
11 Kh8 draw
12 Ra1 draw
13 Ra2 draw
14 Ra6 draw
15 Ra7 draw
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves