Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rd8 win in 1 half-moves
2 Rf5 win in 1 half-moves
3 Khg7 win in 3 half-moves
4 Kgg7 draw
5 Kgh7 draw
6 Khh7 draw
7 Ra8 draw
8 Rb8 draw
9 Rf1 draw
10 Rf2 draw
11 Rf3 draw
12 Rf7 draw
13 Kf7 loss in 1 half-moves
14 Rc8 loss in 1 half-moves
15 Re8 loss in 1 half-moves
16 Rf4 loss in 1 half-moves
17 Rf6 loss in 1 half-moves