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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kf1 draw
3 Kf2 draw
4 Kf3 draw
5 Kg3 draw
6 Kh2 draw
7 Kh3 draw
8 Rb5 draw
9 Rf5 draw
10 Rh5 draw
11 Kg1 loss in 18 half-moves
12 Rg3 loss in 8 half-moves
13 Kh1 loss in 6 half-moves
14 Rc5 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Rg6 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Ra5 loss in 1 half-moves