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 Kg1 draw
3 Kg4 draw
4 Kgg3 draw
5 Kgh2 draw
6 Kh1 draw
7 Kh4 draw
8 Khg3 draw
9 Khh2 draw
10 Ra6 draw
11 Rf6 draw
12 Rg5 draw
13 Rg7 draw
14 Rg8 draw
15 Rh6 draw
16 Kf1 loss in 2 half-moves
17 Kf2 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rg3 loss in 2 half-moves