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 Kb8 draw
3 Kc1 draw
4 Kd8 draw
5 Ke1 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Rh8 draw
10 Kb7 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ke2 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves