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

EGTB: win in 4 half-moves

# move score
1 Be1 win in 3 half-moves
2 Bc3 win in 5 half-moves
3 Bb6 win in 7 half-moves
4 Rd4 win in 7 half-moves
5 Bb4 win in 13 half-moves
6 Re8 win in 13 half-moves
7 Ra8 win in 15 half-moves
8 Rb8 win in 15 half-moves
9 Rc8 win in 15 half-moves
10 Bc7 win in 17 half-moves
11 Bd2 win in 17 half-moves
12 Rd1 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves