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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb4 win in 5 half-moves
3 Ra6 win in 5 half-moves
4 Kb5 win in 7 half-moves
5 Ka4 win in 9 half-moves
6 Kc4 win in 9 half-moves
7 Kc5 win in 11 half-moves
8 Kd5 win in 11 half-moves
9 Ka6 draw
10 Ke4 draw
11 Ke5 draw
12 Ra8 draw
13 Rd7 draw
14 Rf7 draw
15 Kc3 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves