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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Rd8 draw
6 Re8 draw
7 Rf2 draw
8 Rf3 draw
9 Rc8 loss in 10 half-moves
10 Rf7 loss in 6 half-moves
11 Rb8 loss in 2 half-moves
12 Rf1 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rh8 loss in 2 half-moves