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

EGTB: win in 4 half-moves

# move score
1 Kc1 win in 3 half-moves
2 Kc3 win in 3 half-moves
3 Kd1 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Ke1 win in 3 half-moves
6 Ke3 win in 3 half-moves
7 Rc3 win in 3 half-moves
8 Ka2 win in 7 half-moves
9 Ka4 win in 7 half-moves
10 Kb3 win in 7 half-moves
11 Kb4 win in 7 half-moves
12 Rb2 win in 7 half-moves
13 Rc1 win in 7 half-moves
14 Rc4 win in 7 half-moves
15 Rc5 win in 7 half-moves
16 Ra2 win in 19 half-moves
17 Ke2 win in 23 half-moves
18 Kb2 draw
19 Rc6 draw
20 Rc7 loss in 2 half-moves
21 Rc8 loss in 2 half-moves