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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Rf5 win in 5 half-moves
3 Rf6 win in 5 half-moves
4 Kf7 draw
5 Kf8 draw
6 Kgg7 draw
7 Kgh7 draw
8 Khg7 draw
9 Khh7 draw
10 Ra1 draw
11 Rb1 draw
12 Rc1 draw
13 Rd1 draw
14 Re1 draw
15 Rf7 draw
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves