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

EGTB: win in 4 half-moves

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