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

EGTB: win in 4 half-moves

# move score
1 Kf2 win in 3 half-moves
2 Kf5 win in 3 half-moves
3 Kf6 win in 3 half-moves
4 Rf1 win in 3 half-moves
5 Rg1 win in 3 half-moves
6 Rh1 win in 3 half-moves
7 Kf3 win in 5 half-moves
8 Kg5 win in 5 half-moves
9 Kh5 win in 7 half-moves
10 Kd1 draw
11 Kd2 draw
12 Kd3 draw
13 Kf1 draw
14 Kf7 draw
15 Kg7 draw
16 Kh6 draw
17 Kh7 draw
18 Rc1 draw
19 Rd1 draw
20 Ke3 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Rb1 loss in 2 half-moves