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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rg5 win in 7 half-moves
3 Be1 win in 11 half-moves
4 Rf7 win in 15 half-moves
5 Bb8 draw
6 Bc7 draw
7 Be5 draw
8 Bf2 draw
9 Bf4 draw
10 Bh2 draw
11 Bh4 draw
12 Rg6 draw
13 Rg8 draw
14 Rh7 draw
15 Bd6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rg4 loss in 2 half-moves