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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Be3 draw
4 Bg3 draw
5 Bb8 loss in 2 half-moves
6 Bc1 loss in 2 half-moves
7 Bc7 loss in 2 half-moves
8 Bd2 loss in 2 half-moves
9 Bd6 loss in 2 half-moves
10 Be5 loss in 2 half-moves
11 Bg5 loss in 2 half-moves
12 Bh2 loss in 2 half-moves
13 Bh6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Kd8 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Kf7 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf7 loss in 2 half-moves