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 Rg7 win in 3 half-moves
3 Kf7 draw
4 Kf8 draw
5 Kg6 draw
6 Kgg7 draw
7 Kgh8 draw
8 Kh6 draw
9 Khg7 draw
10 Khh8 draw
11 Ra3 draw
12 Re3 draw
13 Rf3 draw
14 Rg4 draw
15 Rg5 draw
16 Rh3 draw
17 Rb3 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves