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

EGTB: win in 4 half-moves

# move score
1 Kef7 win in 3 half-moves
2 Kf6 win in 7 half-moves
3 Kgf7 draw
4 Rf1 draw
5 Rf2 draw
6 Rf3 draw
7 Rg8 draw
8 Kd7 loss in 2 half-moves
9 Kd8 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kg8 loss in 2 half-moves
13 Kh6 loss in 2 half-moves
14 Kh7 loss in 2 half-moves
15 Kh8 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rh8 loss in 2 half-moves