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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kd4 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Kdc4 win in 3 half-moves
5 Ke6 win in 3 half-moves
6 Rb6 win in 3 half-moves
7 Ka3 win in 7 half-moves
8 Ka4 win in 7 half-moves
9 Ka5 win in 7 half-moves
10 Kb3 win in 7 half-moves
11 Kbc4 win in 7 half-moves
12 Kbc5 win in 7 half-moves
13 Ra5 win in 7 half-moves
14 Rc5 win in 7 half-moves
15 Ke5 win in 9 half-moves
16 Kdc5 draw
17 Ke4 draw
18 Rb7 draw
19 Rb8 draw
20 Kc3 loss in 2 half-moves