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