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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb8 draw
3 Rb7 loss in 12 half-moves
4 Kb7 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kc7 loss in 2 half-moves
7 Kd7 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rd3 loss in 1 half-moves
17 Re3 loss in 1 half-moves
18 Rf3 loss in 1 half-moves
19 Rh3 loss in 1 half-moves