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 Kc7 draw
5 Kc8 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf3 draw
10 Rf4 draw
11 Rf6 draw
12 Rf7 draw
13 Ka8 loss in 10 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rh8 loss in 2 half-moves