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 Kd1 draw
3 Kd2 draw
4 Kd3 draw
5 Ke1 draw
6 Ke7 draw
7 Ke8 draw
8 Kf7 draw
9 Kg7 draw
10 Kg8 draw
11 Ra2 draw
12 Ra4 draw
13 Ra5 draw
14 Ra6 draw
15 Ra7 draw
16 Rc8 draw
17 Rd8 draw
18 Re8 draw
19 Ke3 loss in 2 half-moves
20 Kf1 loss in 2 half-moves
21 Kf2 loss in 2 half-moves
22 Kf3 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra3 loss in 2 half-moves