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

EGTB: win in 4 half-moves

# move score
1 Kc2 win in 3 half-moves
2 Kd2 win in 3 half-moves
3 Rb1 win in 3 half-moves
4 Kd3 win in 5 half-moves
5 Kg1 win in 5 half-moves
6 Kg2 win in 5 half-moves
7 Kg3 win in 5 half-moves
8 Rc1 win in 5 half-moves
9 Kd4 win in 7 half-moves
10 Kc4 win in 11 half-moves
11 Kb2 draw
12 Kb3 draw
13 Kb4 draw
14 Kh3 draw
15 Ra1 draw
16 Rd1 draw
17 Re1 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rg1 loss in 2 half-moves