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

EGTB: win in 4 half-moves

# move score
1 Ke2 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Kb1 win in 7 half-moves
4 Rf2 win in 7 half-moves
5 Kd1 draw
6 Ke3 draw
7 Ke4 draw
8 Kf2 draw
9 Kf4 draw
10 Kg2 draw
11 Kg3 draw
12 Kg4 draw
13 Re1 draw
14 Rg1 draw
15 Rh1 draw
16 Kb2 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kd2 loss in 2 half-moves