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 Ka2 draw
3 Kc7 draw
4 Kc8 draw
5 Kd7 draw
6 Ke7 draw
7 Ke8 draw
8 Rf8 draw
9 Rh1 draw
10 Rh5 draw
11 Rh6 draw
12 Rh7 draw
13 Ka4 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb3 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rh2 loss in 2 half-moves
19 Rh3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves