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

EGTB: win in 4 half-moves

# move score
1 Kgg7 win in 3 half-moves
2 Kgh7 win in 3 half-moves
3 Khg7 win in 3 half-moves
4 Khh7 win in 3 half-moves
5 Rh1 win in 3 half-moves
6 Rf1 win in 5 half-moves
7 Ra1 draw
8 Re1 draw
9 Rg2 draw
10 Rg3 draw
11 Rg4 draw
12 Rg5 draw
13 Kf7 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves