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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kf7 win in 7 half-moves
3 Kg7 win in 7 half-moves
4 Ke7 draw
5 Ke8 draw
6 Kg2 draw
7 Kg3 draw
8 Kg4 draw
9 Kg8 draw
10 Kh2 draw
11 Kh4 draw
12 Rc1 draw
13 Rd1 draw
14 Re1 draw
15 Rg1 draw
16 Rh2 draw
17 Ra1 loss in 2 half-moves
18 Rb1 loss in 2 half-moves