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

EGTB: win in 4 half-moves

# move score
1 Kc5 win in 3 half-moves
2 Ka4 win in 7 half-moves
3 Kb2 win in 7 half-moves
4 Kd5 win in 11 half-moves
5 Ra6 win in 13 half-moves
6 Ka2 draw
7 Kb3 draw
8 Kb4 draw
9 Kc7 draw
10 Kd7 draw
11 Ke5 draw
12 Ke6 draw
13 Ke7 draw
14 Rb6 draw
15 Rc3 draw
16 Rc4 draw
17 Rc5 draw
18 Rc7 draw
19 Rc8 draw
20 Rc1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves