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

EGTB: win in 4 half-moves

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