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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Ra7 win in 5 half-moves
3 Kb8 win in 9 half-moves
4 Rg7 win in 11 half-moves
5 Rh7 win in 11 half-moves
6 Ka4 draw
7 Ka5 draw
8 Kb4 draw
9 Kb6 draw
10 Kd8 draw
11 Rb8 draw
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves