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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Ra7 draw
3 Rb7 draw
4 Rg8 draw
5 Ke4 loss in 2 half-moves
6 Ke5 loss in 2 half-moves
7 Ke6 loss in 2 half-moves
8 Kf4 loss in 2 half-moves
9 Kff6 loss in 2 half-moves
10 Kfg5 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kgf6 loss in 2 half-moves
13 Kgg5 loss in 2 half-moves
14 Kh5 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Kh7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves