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 Kf6 draw
3 Kf7 draw
4 Kf8 draw
5 Kg6 draw
6 Kg8 draw
7 Kh2 draw
8 Kh6 draw
9 Kh7 draw
10 Kh8 draw
11 Ra3 draw
12 Ra4 draw
13 Ra5 draw
14 Ra6 draw
15 Ra7 draw
16 Rc8 draw
17 Rg8 draw
18 Rh8 draw
19 Kg1 loss in 2 half-moves
20 Kg2 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rd8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rf8 loss in 2 half-moves