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 Kg4 draw
3 Kg7 draw
4 Kgg6 draw
5 Kgh5 draw
6 Kh4 draw
7 Kh7 draw
8 Khg6 draw
9 Khh5 draw
10 Ra2 draw
11 Rf2 draw
12 Rg1 draw
13 Rg3 draw
14 Rh2 draw
15 Kf4 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Kf6 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Re2 loss in 2 half-moves