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 Ke6 draw
3 Ke8 draw
4 Kf6 draw
5 Rf1 draw
6 Rf2 draw
7 Rf3 draw
8 Rf4 draw
9 Rf7 draw
10 Kf7 loss in 18 half-moves
11 Re8 loss in 12 half-moves
12 Kd6 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rh8 loss in 2 half-moves