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 Kd1 win in 5 half-moves
4 Kg1 win in 5 half-moves
5 Kg2 win in 5 half-moves
6 Kg3 win in 5 half-moves
7 Kh3 win in 5 half-moves
8 Rg1 win in 5 half-moves
9 Kb1 draw
10 Kb2 draw
11 Rf1 draw
12 Rd1 loss in 2 half-moves
13 Re1 loss in 2 half-moves