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 Ra7 draw
3 Rb4 draw
4 Rg7 draw
5 Kb1 loss in 2 half-moves
6 Kb2 loss in 2 half-moves
7 Kc2 loss in 2 half-moves
8 Kd1 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves
16 Rb5 loss in 1 half-moves
17 Rb6 loss in 1 half-moves
18 Re7 loss in 1 half-moves
19 Rf7 loss in 1 half-moves