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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rbe1 win in 3 half-moves
3 Rge1 win in 3 half-moves
4 Rh1 win in 3 half-moves
5 Ra1 loss in 4 half-moves
6 Rb8 loss in 4 half-moves
7 Rbc1 loss in 4 half-moves
8 Rbd1 loss in 4 half-moves
9 Rgc1 loss in 4 half-moves
10 Rgd1 loss in 4 half-moves
11 Rb2 loss in 3 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rbf1 loss in 2 half-moves
17 Rgf1 loss in 2 half-moves