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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Bd2 draw
3 Bf8 draw
4 Bg7 draw
5 Nf6 draw
6 Rg8 draw
7 Bc1 loss in 2 half-moves
8 Be3 loss in 2 half-moves
9 Bf4 loss in 2 half-moves
10 Bg5 loss in 2 half-moves
11 Nf4 loss in 2 half-moves
12 Ng3 loss in 2 half-moves
13 Ng7 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rc6 loss in 1 half-moves