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

EGTB: win in 4 half-moves

# move score
1 Rg3 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Ra6 draw
4 Rb6 draw
5 Rc6 draw
6 Rd6 draw
7 Rg5 draw
8 Kf1 loss in 2 half-moves
9 Kf2 loss in 2 half-moves
10 Kf3 loss in 2 half-moves
11 Kg1 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kgg3 loss in 2 half-moves
14 Kgh2 loss in 2 half-moves
15 Kh1 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Khg3 loss in 2 half-moves
18 Khh2 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves
23 Rh6 loss in 2 half-moves