Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg8 win in 1 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kd1 draw
6 Kd2 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ke6 draw
11 Kf6 draw
12 Kf7 draw
13 Kf8 draw
14 Rc8 draw
15 Rd8 draw
16 Rf8 draw
17 Rh8 draw
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves