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 Rb4 draw
3 Rc3 draw
4 Rd3 draw
5 Rh3 loss in 4 half-moves
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Ra3 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Re3 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rb5 loss in 1 half-moves
19 Rb6 loss in 1 half-moves