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 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb5 draw
6 Kb6 draw
7 Kg2 draw
8 Kg3 draw
9 Ra8 draw
10 Rc8 draw
11 Rd8 draw
12 Re8 draw
13 Rg8 draw
14 Rh4 draw
15 Rh5 draw
16 Rh6 draw
17 Rh7 draw
18 Kg4 loss in 2 half-moves
19 Kh2 loss in 2 half-moves
20 Kh4 loss in 2 half-moves
21 Rf8 loss in 1 half-moves