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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Nb5 draw
3 Rb4 draw
4 Rb5 draw
5 Rb7 draw
6 Rc6 draw
7 Nb1 loss in 4 half-moves
8 Ra6 loss in 4 half-moves
9 Rd6 loss in 4 half-moves
10 Nc2 loss in 2 half-moves
11 Nc4 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Re6 loss in 1 half-moves