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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rc2 win in 3 half-moves
3 Rf2 loss in 4 half-moves
4 Bc1 loss in 2 half-moves
5 Bd2 loss in 2 half-moves
6 Be3 loss in 2 half-moves
7 Bf4 loss in 2 half-moves
8 Bf8 loss in 2 half-moves
9 Bg5 loss in 2 half-moves
10 Bg7 loss in 2 half-moves
11 Nb4 loss in 2 half-moves
12 Nc1 loss in 2 half-moves
13 Nc3 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rh1 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 Rh5 loss in 1 half-moves