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 Kc1 draw
3 Kc2 draw
4 Kc6 draw
5 Kc7 draw
6 Kc8 draw
7 Kd2 draw
8 Kd6 draw
9 Ke1 draw
10 Ke6 draw
11 Ke7 draw
12 Ke8 draw
13 Ra8 draw
14 Rc8 draw
15 Re8 draw
16 Rf8 draw
17 Ke2 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves