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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kg5 draw
3 Kg6 draw
4 Kg7 draw
5 Kh5 draw
6 Kh7 draw
7 Re1 draw
8 Rh1 draw
9 Ra1 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves