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 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Rd8 draw
7 Rf3 draw
8 Rf6 draw
9 Rf7 draw
10 Ka8 loss in 10 half-moves
11 Ra8 loss in 10 half-moves
12 Re8 loss in 10 half-moves
13 Rf4 loss in 10 half-moves
14 Rb8 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rh8 loss in 2 half-moves