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 Rb1 draw
3 Kb2 loss in 16 half-moves
4 Kb1 loss in 10 half-moves
5 Ra6 loss in 8 half-moves
6 Ka2 loss in 6 half-moves
7 Rb5 loss in 6 half-moves
8 Rb7 loss in 6 half-moves
9 Rc6 loss in 4 half-moves
10 Rd6 loss in 4 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 Rg6 loss in 1 half-moves