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

EGTB: win in 4 half-moves

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