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

EGTB: win in 4 half-moves

# move score
1 Rg5 win in 3 half-moves
2 Ra3 draw
3 Rb3 draw
4 Rc3 draw
5 Rd3 draw
6 Rg4 draw
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kf7 loss in 2 half-moves
10 Kgg5 loss in 2 half-moves
11 Kgg7 loss in 2 half-moves
12 Kgh5 loss in 2 half-moves
13 Kgh7 loss in 2 half-moves
14 Khg5 loss in 2 half-moves
15 Khg7 loss in 2 half-moves
16 Khh5 loss in 2 half-moves
17 Khh7 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves