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 Kd5 win in 5 half-moves
3 Kd6 win in 5 half-moves
4 Kd7 win in 5 half-moves
5 Re7 win in 7 half-moves
6 Ka4 win in 9 half-moves
7 Ra8 win in 11 half-moves
8 Ke5 draw
9 Ke7 draw
10 Kf5 draw
11 Kf6 draw
12 Kf7 draw
13 Ra6 draw
14 Rc7 draw
15 Kb4 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves