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 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Kg2 draw
8 Kh1 draw
9 Kh2 draw
10 Ra4 draw
11 Ra5 draw
12 Ra6 draw
13 Ra7 draw
14 Kf1 loss in 2 half-moves
15 Kf2 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rc8 loss in 2 half-moves