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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kf8 win in 3 half-moves
3 Kgg7 draw
4 Kgh7 draw
5 Khg7 draw
6 Khh7 draw
7 Rc1 draw
8 Rd1 draw
9 Re1 draw
10 Rf2 draw
11 Rf3 draw
12 Rf4 draw
13 Rf5 draw
14 Rf6 draw
15 Rg1 draw
16 Rh1 draw
17 Ra1 loss in 1 half-moves
18 Rb1 loss in 1 half-moves
19 Rf7 loss in 1 half-moves
20 Rf8 loss in 1 half-moves