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

EGTB: win in 10 half-moves

# move score
1 Rg4 win in 9 half-moves
2 Ba5 draw
3 Bc1 draw
4 Be1 draw
5 Bh6 draw
6 Nh2 draw
7 Rg2 draw
8 Rg3 draw
9 Rh1 draw
10 Bb4 loss in 2 half-moves
11 Bc3 loss in 2 half-moves
12 Be3 loss in 2 half-moves
13 Bf4 loss in 2 half-moves
14 Bg5 loss in 2 half-moves
15 Ne3 loss in 2 half-moves
16 Ng3 loss in 2 half-moves
17 Rg5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves