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 Ra3 draw
11 Ra4 draw
12 Ra5 draw
13 Ra6 draw
14 Ra7 draw
15 Re8 draw
16 Rf8 draw
17 Rg8 draw
18 Rh8 draw
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves