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 Kf5 win in 13 half-moves
3 Kf3 draw
4 Kf4 draw
5 Kgg3 draw
6 Kgg5 draw
7 Kgh3 draw
8 Kgh5 draw
9 Khg3 draw
10 Khg5 draw
11 Khh3 draw
12 Khh5 draw
13 Rd8 draw
14 Re8 draw
15 Rf8 draw
16 Rg8 draw
17 Rh5 draw
18 Rh6 draw
19 Rh7 draw
20 Ra8 loss in 1 half-moves
21 Rc8 loss in 1 half-moves