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

EGTB: win in 4 half-moves

# move score
1 Rc1 win in 3 half-moves
2 Re6 win in 3 half-moves
3 Re7 win in 3 half-moves
4 Re8 win in 3 half-moves
5 Bb4 win in 5 half-moves
6 Bc3 win in 5 half-moves
7 Bc7 win in 5 half-moves
8 Rd1 win in 5 half-moves
9 Re2 win in 5 half-moves
10 Re3 win in 5 half-moves
11 Rf1 win in 5 half-moves
12 Ra1 win in 7 half-moves
13 Bb6 loss in 2 half-moves
14 Bd2 loss in 2 half-moves
15 Bd8 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Re5 loss in 2 half-moves
19 Rg1 loss in 2 half-moves
20 Rh1 loss in 2 half-moves