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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kd5 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Kdc5 win in 3 half-moves
5 Rb5 win in 3 half-moves
6 Rb7 win in 3 half-moves
7 Ka4 win in 7 half-moves
8 Ka5 win in 7 half-moves
9 Kbc5 win in 7 half-moves
10 Kc4 win in 7 half-moves
11 Ra6 win in 7 half-moves
12 Kb3 win in 11 half-moves
13 Kc6 win in 11 half-moves
14 Kb5 win in 19 half-moves
15 Ke6 win in 19 half-moves
16 Ke7 win in 19 half-moves
17 Ka3 draw
18 Ke5 draw
19 Rb8 draw
20 Rc6 draw
21 Kc3 loss in 2 half-moves