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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rd6 win in 3 half-moves
3 Bc7 win in 5 half-moves
4 Be7 win in 5 half-moves
5 Ra6 win in 5 half-moves
6 Rb5 win in 5 half-moves
7 Rb7 win in 5 half-moves
8 Rb8 win in 5 half-moves
9 Rg6 win in 5 half-moves
10 Rh6 win in 5 half-moves
11 Bf6 loss in 2 half-moves
12 Bg5 loss in 2 half-moves
13 Bh4 loss in 2 half-moves
14 Na1 loss in 2 half-moves
15 Na5 loss in 2 half-moves
16 Nc1 loss in 2 half-moves
17 Nc5 loss in 2 half-moves
18 Nd2 loss in 2 half-moves
19 Nd4 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves