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 Rc3 draw
4 Rg1 draw
5 Rg2 draw
6 Kf4 loss in 2 half-moves
7 Kf5 loss in 2 half-moves
8 Kf6 loss in 2 half-moves
9 Kg6 loss in 2 half-moves
10 Kh4 loss in 2 half-moves
11 Kh5 loss in 2 half-moves
12 Kh6 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rh3 loss in 2 half-moves