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 Rh8 win in 1 half-moves
3 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Kc6 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Kg1 draw
11 Kg2 draw
12 Kg3 draw
13 Kh1 draw
14 Kh3 draw
15 Rb8 draw
16 Rd8 draw
17 Re8 draw
18 Rf8 draw
19 Ra8 loss in 1 half-moves