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

EGTB: win in 4 half-moves

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