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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Rb8 draw
3 Kc5 loss in 2 half-moves
4 Kc6 loss in 2 half-moves
5 Kdd5 loss in 2 half-moves
6 Kdd7 loss in 2 half-moves
7 Kde5 loss in 2 half-moves
8 Kde7 loss in 2 half-moves
9 Ked5 loss in 2 half-moves
10 Ked7 loss in 2 half-moves
11 Kee5 loss in 2 half-moves
12 Kee7 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kf6 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves