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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Kd6 win in 5 half-moves
3 Kb4 win in 9 half-moves
4 Rb8 win in 9 half-moves
5 Re7 win in 9 half-moves
6 Ke7 win in 15 half-moves
7 Kf7 win in 17 half-moves
8 Kd7 draw
9 Kf6 draw
10 Rb6 draw
11 Rd7 draw
12 Rf7 draw
13 Ka4 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kc6 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Ke5 loss in 2 half-moves
21 Kf5 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves