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 Kc6 draw
3 Kc8 draw
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Rb8 draw
8 Rf2 draw
9 Rf3 draw
10 Rf4 draw
11 Ra8 loss in 18 half-moves
12 Kb7 loss in 12 half-moves
13 Rc8 loss in 12 half-moves
14 Kb6 loss in 10 half-moves
15 Kb8 loss in 4 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf1 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
22 Rh8 loss in 2 half-moves