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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Kf6 draw
3 Kf7 draw
4 Kf8 draw
5 Kg6 draw
6 Kgg8 draw
7 Kgh7 draw
8 Kh6 draw
9 Khg8 draw
10 Khh7 draw
11 Rb5 draw
12 Rf5 draw
13 Rg1 draw
14 Rh5 draw
15 Ra5 loss in 2 half-moves
16 Rc5 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves