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 Rg8 draw
3 Kc5 loss in 2 half-moves
4 Kc6 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Kdd5 loss in 2 half-moves
7 Kdd7 loss in 2 half-moves
8 Kde5 loss in 2 half-moves
9 Kde7 loss in 2 half-moves
10 Ked5 loss in 2 half-moves
11 Ked7 loss in 2 half-moves
12 Kee5 loss in 2 half-moves
13 Kee7 loss in 2 half-moves
14 Kf5 loss in 2 half-moves
15 Kf6 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves