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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Kf1 draw
3 Kgg2 draw
4 Kgh2 draw
5 Khg2 draw
6 Khh2 draw
7 Ra7 draw
8 Re7 draw
9 Rf7 draw
10 Rg3 draw
11 Rg8 draw
12 Rh7 draw
13 Kf2 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rg6 loss in 2 half-moves