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 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kd1 draw
6 Kd2 draw
7 Ra8 draw
8 Rc8 draw
9 Rd8 draw
10 Re8 draw
11 Rf8 draw
12 Rh5 draw
13 Rh6 draw
14 Rh7 draw
15 Kg3 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kg5 loss in 2 half-moves
18 Kh3 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Rg8 loss in 2 half-moves