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 Ka6 draw
3 Ka7 draw
4 Kb6 draw
5 Kc6 draw
6 Kc7 draw
7 Rc8 draw
8 Rd8 draw
9 Re8 draw
10 Rf1 draw
11 Rf6 draw
12 Rf7 draw
13 Rb8 loss in 6 half-moves
14 Ka8 loss in 4 half-moves
15 Kb8 loss in 4 half-moves
16 Kc8 loss in 4 half-moves
17 Ra8 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rh8 loss in 2 half-moves