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

EGTB: win in 4 half-moves

# move score
1 Kd2 win in 3 half-moves
2 Kd4 win in 3 half-moves
3 Kc4 win in 5 half-moves
4 Kd3 win in 5 half-moves
5 Rb1 win in 5 half-moves
6 Rc2 win in 5 half-moves
7 Rd1 win in 5 half-moves
8 Kb2 draw
9 Kb3 draw
10 Kb4 draw
11 Kc2 draw
12 Ra1 draw
13 Re1 draw
14 Rh1 draw
15 Rf1 loss in 2 half-moves
16 Rg1 loss in 1 half-moves