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

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rc2 draw
3 Rd2 draw
4 Re2 draw
5 Rf2 draw
6 Rg3 draw
7 Kf4 loss in 2 half-moves
8 Kf5 loss in 2 half-moves
9 Kf6 loss in 2 half-moves
10 Kgg4 loss in 2 half-moves
11 Kgg6 loss in 2 half-moves
12 Kgh4 loss in 2 half-moves
13 Kgh6 loss in 2 half-moves
14 Khg4 loss in 2 half-moves
15 Khg6 loss in 2 half-moves
16 Khh4 loss in 2 half-moves
17 Khh6 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves