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 Kd1 draw
3 Kd3 draw
4 Kd7 draw
5 Kd8 draw
6 Ke1 draw
7 Ke2 draw
8 Ke3 draw
9 Ke7 draw
10 Rf1 draw
11 Rf2 draw
12 Rf5 draw
13 Rf6 draw
14 Rf7 draw
15 Rh8 draw
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kf7 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves